Who Invented Night Vision, and How Does it Work?

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Today I Found Out

Today I Found Out

Күн бұрын

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Пікірлер: 342
@TodayIFoundOut
@TodayIFoundOut 3 ай бұрын
Buy your DNA kit here: bit.ly/TIFO2. Use Coupon code “ TIFO” for free shipping. Thanks to MyHeritage for sponsoring the video.
@Butros1
@Butros1 3 ай бұрын
any guarantee our dna would be sold to black water
@austenpowers
@austenpowers 3 ай бұрын
Wicked , cheers ❤. Ref# the vod. 👍
@PindleofKujata
@PindleofKujata 2 ай бұрын
2% Western Asian? Looks like somebody got that Genghis Khan in them.
@xbreezybx8403
@xbreezybx8403 3 ай бұрын
Hershel didn't just randomly decide to place an extra thermometer at the end of the split prism, or have some sort of genius 6th sense to do so. The additional thermometer was meant to be a control for the experiment to compare the difference in heat gained in each color with the ambient temperature of the room. Great example of a perfectly disciplined experiment gone wrong leading to an unexpected and fascinating discovery. Bingo bongo, eureka we have science.
@dionh70
@dionh70 2 ай бұрын
As has been said before, the most exciting phrase in science is not "Eureka!" but rather "Hmmm, that's weird...."
@sammylacks4937
@sammylacks4937 2 ай бұрын
Awesome video but the find your linage package is going to make your DNA info available to whoever wherever for whatever. Don't ever.
@bghiggy
@bghiggy 3 ай бұрын
The way night vision works is by turning photons into electrons by focusing them with the objective lense and making them hit a photocathode, and then those electrons are multiplied tens of thousands of times by a microchannel plate, and then those electrons are turned back into photons when they hit a phosphor screen that will glow whatever color the screen is designed for. Green phosphor was used for a long time because humans eyes are most sensitive to green light but recently white phosphor has been used because we are able to have better contrast with black and white (even though white phosphor is sort of blueish). You could actually make the phosphor screen any color you want but some colors are more useful than others.
@robcandy9273
@robcandy9273 3 ай бұрын
22 minutes of our lives saved we thank you
@meh7348
@meh7348 3 ай бұрын
Listen to Simon explain it is still far more interesting, sorry bud.
@robcandy9273
@robcandy9273 3 ай бұрын
@@meh7348 fair fair he's fun to listen to but you know sometimes you just want the answer though that's more a rant about KZbinrs in general 😅 I feel kinda guilty now
@travislupum
@travislupum 3 ай бұрын
I have green and white and I love my white phos unit but my green sees into much darker conditions
@michaelr.5676
@michaelr.5676 3 ай бұрын
Thank you
@chrisbentleywalkingandrambling
@chrisbentleywalkingandrambling 3 ай бұрын
Simon told us never to use QR Codes so I'm not signing up. I believe fact boy.😂
@Estes705
@Estes705 3 ай бұрын
And Dave says that MyHeritage will never sell your info. 23&me and several other DNA companies INITIALLY said that too. 😂 But when they were offered a huge chunk of change for it, they all immediately changed their policy and sold everybody's info.
@lehammsamm
@lehammsamm 3 ай бұрын
Waiting for the inevitable "who's this new guy?" comments from people not paying attention to the fact that Dave explains how long he's been here in the ad read, let alone all the videos he's been in already. 😅😂 Thanks for all of the education over the years Dave and Simon! Haven't skipped a video yet! I've learned more from you guys than I think I did in all my years of schooling.
@TodayIFoundOut
@TodayIFoundOut 3 ай бұрын
Thanks for sticking with us all this time. :-) -Daven
@wesleymorris6862
@wesleymorris6862 3 ай бұрын
​@TodayIFoundOut is that a typo or have I been mis-hearing Dave for the last few years?????
@curtislindsey1736
@curtislindsey1736 3 ай бұрын
His name is definitely Daven. Easy mistake ​@@wesleymorris6862
@brianwhorton5619
@brianwhorton5619 3 ай бұрын
He's Daven, I can confirm
@Pylon069
@Pylon069 3 ай бұрын
I'm not saying new, again I say more
@FrazerBoorman
@FrazerBoorman 3 ай бұрын
You room is resonating at 500hz; editor take note please!! I’ve also noticed on the casual criminalists channel that Simon accidentally “used the wrong mic” for a segment of a video I question why there are different setups, all giving different results. Sometimes the compression is too high, resulting in what some commenters will describe as too much treble, or echoey (short room reflections) I urge you try to stick to one setup and dial it in perfectly for consistency across every channel and every video Happy to help if you wanna message me or something
@seasickviking
@seasickviking 3 ай бұрын
The irony that "Night Vision" was basically created by a guy trying to create filters so he could look at the Sun is not lost on me... lol
@paulis7319
@paulis7319 3 ай бұрын
Same! Just like firearm silencers were made by the son of the man who invented machine guns and subsequently went deaf. 🤣
@misledprops
@misledprops 2 ай бұрын
@@paulis7319dude 😂
@chupacabra304
@chupacabra304 2 ай бұрын
Necessity is the mother of invention ! 😅
@daviddavidson2357
@daviddavidson2357 Ай бұрын
Infrared light was discovered that way. Though gen 1 2 and 3 night vision will amplify all light, it just includes infrared. Same with cameras, they can also see in the infrared spectrum, they just use a low pass filter to block it out. You can mod cameras like DSLRs to remove the low pass filter then use visible light blocking filters (IR filters) to take photos in the IR spectrum, which look really weird.
@DaleDix
@DaleDix 3 ай бұрын
They couldn't get Simon to do the MyHeritage ad because we'd find out that he's more than us mere mortals.
@swiftycortex
@swiftycortex 3 ай бұрын
Maybe Devon is getting the sponsor money and Simon is getting the KZbin ad money?
@DILFDylF
@DILFDylF 3 ай бұрын
Simon gets all his money from the deep state and illuminati
@SEAZNDragon
@SEAZNDragon 3 ай бұрын
Simon has done My Heritage in the past. I do think TIFO is more Daven’s baby post split.
@jeffdroog
@jeffdroog 3 ай бұрын
It's because we would find out that a good portion of his DNA is literally made up of cocaine.
@jonadabtheunsightly
@jonadabtheunsightly 3 ай бұрын
In any case, sponsored ad segments are usually recorded independently of the main video and inserted during editing, even on channels where all three tasks are performed by the same person.
@Yupppi
@Yupppi 3 ай бұрын
No I will not donate my dna to someone who doesn't have strict policies and security about how they preserve and use the information.
@ThebusWay76
@ThebusWay76 Ай бұрын
Our DNA is all over, I don't buy into this conspiracy theory
@richardderuiter4612
@richardderuiter4612 2 ай бұрын
FLIR is also used by firefighters to locate hot spots inside of hollow walls (standard wood constructed homes), for example. Some can also give an indication of how hot a hidden fire might be. Law enforcement and Search and Rescue also use these to find people and even pets.
@stargazer2504
@stargazer2504 2 ай бұрын
So....I misread this as "Why is NV always green?" and I spent 22 minutes to not find out why it's green, but did enjoy the history of NV.
@randymarsh8474
@randymarsh8474 2 ай бұрын
Gold
@Tog84two97
@Tog84two97 2 ай бұрын
As a thumbnail I swear that is what it said... I clicked on it and the name changed... I swear that's what happened... In my defense I haven't slept in almost 24 hours so it could just have been my mind messing with me...
@anthonynowlan9765
@anthonynowlan9765 2 ай бұрын
@@Tog84two97 The thumbnail does say why is it green though
@Spiritus_Invictus
@Spiritus_Invictus Ай бұрын
They used nightvision with a red color in Vietnam. But they banned this color because the red nightvision drove many Vietnam soldiers mad. Reports kept coming in of soldiers seeing shadows and weird forms walking around in the jungle or winged demon like figures flying in the air. They all somehow materialized, vaporized in this air or followed soldiers and helicopter and they put soldiers on edge or drove them near insanity. Later they switched to green as green was considered to be the easiest color to see for prolonged periods in the dark kzbin.info/www/bejne/jmG9mop8eqadgrssi=5qD_S5RNT94Vkewk kzbin.info/www/bejne/bnTPoqCGa554iKcsi=fgg7YTiovlust_ii
@Tog84two97
@Tog84two97 Ай бұрын
@@Spiritus_Invictus I read an article about that and I was hoping he would go into that with more detail for this video...
@aerions
@aerions 3 ай бұрын
Gen 3 night vision is one of the coolest things I own besides my telescopes... Got a 2008 autogated pvs 7 (device seen at 19:42) a few months ago and its taken stargazing to the next level along with other nighttime activities. The nighttime sky in rural locations is just straight up addicting. I've even driven on the highway with my pvs7 when its rainy at night because this literally helps with visibility even w headlights still on. I feel i have definitely gotten $1500 of fun out of this already and this thing should last for years to come!
@Shoelessjoe78
@Shoelessjoe78 3 ай бұрын
About ten years of you take care of it and store it properly. Usage is also a factor but I can't imagine you "burning it out".
@aerions
@aerions 3 ай бұрын
@@Shoelessjoe78yep its in good hands, run lithium batteries to avoid leaks etc put cap on when not used. its also nice to have a modern gated tube for more peace of mind during usage. I also suspect my image intensifier tube was barely used because of a couple things along with its manufacture date and being a pvs 7 intensifier tube. lol probably sat in some national guard armory til they got issued pvs 14's . hopefully this lasts more than 10 years but 10 would be nice
@bghiggy
@bghiggy 3 ай бұрын
Gotta upgrade to a white phosphor pvs14 or dual tubes one of these days. The difference between a old school pvs7 and a modern pvs14 is unreal. Much higher resolution, less noise, more contrast, and a brighter image. Plus the cool thing about a pvs14 is you can attach it to a telescope and see the universe is a whole new way
@aerions
@aerions 3 ай бұрын
@@bghiggy yea the new 14’s are nice my buddies got a wp 14 that’s what got me into this , def clearer in the super dark areas but my 7 definitely isn’t a generation behind even side by side. You actually can attach a 7 to a telescope I have an Adapter where I take off the objective lens and can put it into the focuser without a telescope eyepiece for viewing. The eyepiece + 14 is better for showing faint stuff in a telescope
@travislupum
@travislupum 3 ай бұрын
I love my pvs7's so much
@kindlequeen8593
@kindlequeen8593 2 ай бұрын
Pleasantly surprised that Rochester NY (my hometown and home of my alma mater) played such a large role in the development of Night Vision Technology. 😊
@seanmorgan2356
@seanmorgan2356 3 ай бұрын
Dave is 2% Asian? Either one of his ancestors was hitchhiking the silk road, or he's a decendant of Ghengis Kahn.
@TodayIFoundOut
@TodayIFoundOut 3 ай бұрын
Aren't we all? :-) -Daven
@andyleighton6969
@andyleighton6969 3 ай бұрын
@@TodayIFoundOut Alternatively, more likely and less excitingly, low percentages are just "noise" in the results.
@theswiv
@theswiv 3 ай бұрын
I am looking forward Simon telling us all about quantum physics and the wave function
@andrewstrongman305
@andrewstrongman305 2 ай бұрын
The NVG's used by the Australian Army in the 90's were passive, but they featured an active mode for use in total darkness.
@NexxuSix
@NexxuSix 3 ай бұрын
I learned more about the Starlight scope in this episode than the military would tell me back in the day 😂😂😂
@robwoodring9437
@robwoodring9437 3 ай бұрын
Depending on what years you were in, it might've just been because it was Classified AF. "Here's what the knobs do. Go hunt the enemy with it. The rest is need-to-know only"
@jeffdroog
@jeffdroog 3 ай бұрын
Because the military doesn't know how or why anything works the way it does lol They just mindlessly use stuff.You don't need to know why a gun works to use one,and same goes for pretty much everything else.
@5echo5images
@5echo5images 3 ай бұрын
I am an old submariner and I will tell you wikipedia had specs back in the day even our cooks with a Secret clearance were not supposed to know.
@wingerding
@wingerding 2 ай бұрын
Combat assets are always made somewhat ambiguous during their infancy.
@zredband
@zredband 2 ай бұрын
Typical military secrecy. I spent years talking to site "C" never knowing who they were, where they were, or what they did, just that their communications equipment was functioning and everything was okay over there. Only to find out years later from news reporters on 9/11 that, that's where they were hiding the vice president. Point being is they only tell you just enough to get your job done.
@theofficialken1755
@theofficialken1755 3 ай бұрын
I calibrated Helicopter NVGs (2 lenses vs 4) when I was in the Navy. Only front and rear lenses, plastic housing, and intensifiers (like a C battery in size and shape). Just had to focus and run intensifiers test on the test set, then nitrogen backfill. Probably did 2'000 over time. Yes, we played with them in the cable braiding room, lights off diy obstacle course.
@JM-wu8bh
@JM-wu8bh 3 ай бұрын
MyHeritage - I sent in a sample from a friend for me. I am a 40 year old black woman now. 😂
@aerdile1
@aerdile1 3 ай бұрын
I went to high-school with the writer of this episode. He was brilliant back then, now he is dashing & brilliant.
@bghiggy
@bghiggy 3 ай бұрын
There likely won't be any gen4 night vision as fusion technology (nv and thermal combined) will be more ubiquitous as it can give you far more information than image intensification alone
@bobd1805
@bobd1805 3 ай бұрын
I worked for K&M Electronics that supplied the high voltage power supplies that powered the ANVIS and PVS-7 multiplier tubes We shipped thousands of them during Gulf Storm 1 in 1991. The only problem is photomultiplier technology can't see through fog or dust making infrared much more desirable. The company shut down in 2005.. PMT's also generate a flat 2 dimensional image totally lacking in depth perception. When you hear about helicopters crashing into each other at night in training exercises it is usually because the pilots lacked experience with this imaging system.
@berthelvetic1923
@berthelvetic1923 3 ай бұрын
the german panther tank commander in the second war have night see tools, they call this kasskaden geraete .
@demonorb8634
@demonorb8634 3 ай бұрын
Night vision triangular ufos. Just bokeh effect.
@Mrgunsngear
@Mrgunsngear 3 ай бұрын
🇺🇸
@ZipplyZane
@ZipplyZane 3 ай бұрын
Before I see the answer, my guess is this: human vision is most sensitive to green wavelengths, so it's easier to shift to that and get the most contrast.
@Scruffy-LookingNerfHerder
@Scruffy-LookingNerfHerder 3 ай бұрын
All the cool kids use white phos now, though.
@Stratonetic
@Stratonetic 3 ай бұрын
In my opinion amber works better.
@robwoodring9437
@robwoodring9437 3 ай бұрын
So in the RGB LED lighting world, green LEDs always look more intense than the red & blue. You're saying it's our eyes' sensitivity curve that's to blame, not the LEDs' output?
@paavobergmann4920
@paavobergmann4920 2 ай бұрын
@@robwoodring9437 probably both, but you can check the spec sheet of the LEDs
@paavobergmann4920
@paavobergmann4920 2 ай бұрын
@@Stratonetic the microscope I work on is fitted with an amber display, and I love it for working in the dark.
@JohnSmith-gb5vg
@JohnSmith-gb5vg 3 ай бұрын
All I know is back in 86 the company had one that the platoons would share. Gunny, says us marines get this one, and most likely the army hands them out to every private after graduating boot camp! 😂😂😂
@jamesslick4790
@jamesslick4790 3 ай бұрын
As a Pittsburgher, I think its kinda cool that Samuel Langley and Vladimir Zworykin both had worked in Pittsburgh, PA!
@Ruby_Villain
@Ruby_Villain 3 ай бұрын
I’ve heard about the demon-vision goggles from the war and I am writing this before I watch, so you may have addressed it. I’m too impatient, it’s such an interesting thing so I’m gonna ask first and watch later. Are there available demon-vision goggles today?
@chupacabra304
@chupacabra304 2 ай бұрын
Demon vision?! Sounds scary But yes you can buy a PVS-7 for a few hundred $’s , PVS-14’s are nicer monoculars, a couple thousand for a ok pair, and dual tubes can go for 5,000-16000 & GPNVG’s (4 tubes for maximum peripheral vision are like30-40,000 $ Edit: also forgot there are newer digital ones coming out like Sionyx that are only 300ish or something but the technology isn’t quite there yet Best for enjoying all around goofin’ and demon vision stuff is definitely PVS-14’s
@theburrell4626
@theburrell4626 3 ай бұрын
I think Simon must be a AI computer😂, each video is uploaded 1 day ago, 1 week ago…He must be trapped in the studio! Love the videos on all your channels ❤
@aaronpomeroy2579
@aaronpomeroy2579 3 ай бұрын
I got so excited when you mentioned the Peltier device! My capstone design project for my mechanical engineering degree was a temperature regulating prosthetic socket that used those peltier modules. Basically they’re little white squares that when a voltage is applied, causes one side to get hot and one side to get really cold!
@kokomokid4006
@kokomokid4006 3 ай бұрын
Also the learning curve of ground radar...infared...& ultra hearing aids... D-1\9 1CAVAM Ft Hood (Ft Cavazos)1973...when we figure out where we are...will find you
@peterwoolliams1283
@peterwoolliams1283 2 ай бұрын
You have very hot friends, human emission peaks around 10micron wavelength, not in the near infrared, where you’d need to be well over 1000C. Midwave Infrared is better with fog, but long wave is no better than visible light. The latest night vision has replaced the green by a pale light blue colour “white phosphor”. Interesting initial history.
@JamesPotts
@JamesPotts 3 ай бұрын
I had the chance to briefly work on a night vision project. Nothing interesting came of it, but getting to play with the NIR and "starlight" scopes was a blast.
@armorer94
@armorer94 3 ай бұрын
IR night vision is now downright cheap. I bought a monocular for $100. Thermal is still quite spendy.
@paavobergmann4920
@paavobergmann4920 2 ай бұрын
ordinary CCD record down to 1200nm. Just remove the IR filter and shield it from visible light.
@markborn5293
@markborn5293 2 ай бұрын
I thought the Pather tank was fitted with night vision stuff? Was that the old bunkier stuff then?
@paavobergmann4920
@paavobergmann4920 2 ай бұрын
that thing was ginormous.
@gildedbear5355
@gildedbear5355 3 ай бұрын
"night vision" isn't a misnomer. People just aren't paying attention. Night is exactly what night vision needs: a small amount (but still some) light that gets amplified to be able to see. Night is NEVER perfectly dark (though I don't know how well light amplification would work on a heavily overcast moonless night). What is /doesn't/ do is provide "lightless vision". True lightlessness REQUIRES being enclosed in some way: buildings, caves, vehicles, maybe even particularly dense forests.
@SilverStarHeggisist
@SilverStarHeggisist 2 ай бұрын
cave
@zachcarney3910
@zachcarney3910 2 ай бұрын
I realize Simon is the talker, not the channel owner. But the guy doing the ads is bad lol.
@JordyValentine
@JordyValentine 2 ай бұрын
15:43 love the photo of the guy in the ghillie suit with the trashcan sized scope, not conspicuous at all 😂
@Ed_Stuckey
@Ed_Stuckey 3 ай бұрын
16:52 _and they began reaching U.S. troops in Vietnam in 1967_ I was in Vietnam in 1966. My unit received an AN/PVS-2 Starlight Scope in mid to late autumn of 1966.
@montecorbit8280
@montecorbit8280 3 ай бұрын
So....why are they green?? I didn't see that answered....like the thumbnail put out.
@paavobergmann4920
@paavobergmann4920 2 ай бұрын
The screens that convert electron image to visible light are coated in Zn/Cd-sulfide, and that emits a green glow when hit by electrons
@SilverStarHeggisist
@SilverStarHeggisist 2 ай бұрын
@@paavobergmann4920 and modern ones are white
@paavobergmann4920
@paavobergmann4920 2 ай бұрын
@@SilverStarHeggisist Yes, because we no longer need phosphorous CdS-screens. Green has advantages, though.
@montecorbit8280
@montecorbit8280 2 ай бұрын
@@SilverStarHeggisist I think those are infrared, not night vision....both see in the dark, but by different means.
@montecorbit8280
@montecorbit8280 2 ай бұрын
@@paavobergmann4920 Thank you!!
@Satire-Gaming
@Satire-Gaming 2 ай бұрын
Glitterex makes the stealth coating for military vehicles
@Daeraug81
@Daeraug81 2 ай бұрын
Driving with NVGs sucks, your depth perception is shot and it becomes hard to judge distance. At least from the NVGs we used when I was in the Army.
@justinkhoury6641
@justinkhoury6641 2 ай бұрын
Fact.
@tabbyplays930
@tabbyplays930 3 ай бұрын
When I was in the infantry I was given a star light scope from the 60s... IT WAS GARBAGE... like wow...
@paavobergmann4920
@paavobergmann4920 2 ай бұрын
My dad was a tanker in the 70´s. He said " as gunner, I could swap in this new nifty nightvision thingy, so instead of murky grey fog i would see murky green fog, but only like half the distance...."
@memyself3510
@memyself3510 2 ай бұрын
10:00 hey! I live there!
@pilgrimdav
@pilgrimdav 3 ай бұрын
This video is wrong about the wavelengths emitted by humans. It would be closer to 10 microns for the peak wavelength (rough guess). Then I think there’s a misstatement that short and mid wavelength IR is 140-800 nm which is uv, visible, and short ir. And finally all objects technically give off all wavelengths but practically the peak wavelength is determined by the temperature for a perfect black body.
@desperado8605
@desperado8605 3 ай бұрын
And we've been wasting hard earned money on nods ever since
@meahou9121
@meahou9121 3 ай бұрын
i love it, how Simon butchers (or was it botchers, as in intentional?) the pronunciation of foreign names: @8:40 "sahlgerat". Even the google translator gets the name correctly converted into audio.
@Flies2FLL
@Flies2FLL 3 ай бұрын
The HUD that I have in the 767 that I fly SUCIKS! Most people like it for landings, but I haven't figured it out yet. It is all green lines....
@DirtDiver656
@DirtDiver656 3 ай бұрын
In 2-3yrs Simon will do a video on Bridged systems 🤣🤣🤣. We are apex predators bois “Moons Out, Goons Out”
@jamfork3871
@jamfork3871 3 ай бұрын
I thought night vision worked when you ate green crayons and strapped a cat to your rig and followed the meows!?
@Riceball01
@Riceball01 3 ай бұрын
As an FYI for Simon, Okinawa is pronounced Oh kee nahwah, not with an Ah sound at the beginning.b
@kreiner1
@kreiner1 3 ай бұрын
I want to do my DNA, but i am scared of who i could be related to. I would never be able to resist trying to find out. Best i not check.
@vaben5
@vaben5 3 ай бұрын
Huh. Found our own devices separate, didn't know it was one of Simon's many writers.
@Tirebiter-v6f
@Tirebiter-v6f Ай бұрын
Forward looking Infrared (FLIR) was tested in Vietnam in 1967/1968 by Hughes Aircraft Company working with the US Army mounted on light observation Helicopters (OH-58's I believe). My brother in law was the Hughes engineer deployed in Vietnam working on the project.
@DavidFMayerPhD
@DavidFMayerPhD 2 ай бұрын
Sir John Herschel was one of the greatest observational astronomers of all time, who belongs in the ranks of: Eratosthenes of Alexandria Aristarchus of Samos Ptolemy of Alexandria Nicolaus Copernicus Tycho Brahe Galileo Galilei Johannes Kepler Edwin Hubble Isaac Newton Charles Messier Christiaan Huygens Edmond Halley William Herschel (his father) Giovanni Domenico Cassini Henrietta Swan Leavitt Gerald Kuiper Vera Rubin
@pseudonym745
@pseudonym745 2 ай бұрын
Fahr und WHAT GerÄt? Sorry Simon, that was butchered a bit too much to understand...😂 (Also I'm sure that you would benefit tremendously from not-further-ignoring the infamous little dots...-no, not these. THESE: ÄÖÜ!) Man up! I promise, It's not that hard...
@davidwall7747
@davidwall7747 Ай бұрын
1. CAPTURED there's NO second R. 2. APRIL has a P in it. 3. 13:43 - Where's FORT BENDING ??. Try a bit more proofreading - at least the images don't flishy/flashy like your others.
@Krzysztof_z_Bagien
@Krzysztof_z_Bagien 2 ай бұрын
4:45 you have your wavelenghts wrong, 700 to 1400 nanometers is "near infrared" and can easily by captured by ordinary CMOS/CCD sensor of a camera in your smartphone etc. (if you would remove IR-cut filter of course); it's radiated by objects that have temperature of at least several hundreds degrees Celsius. Human bodies and other things of similar temperature (or generally close "room temperature") radiate most of it energy in long wave infrared as you said, but its wavelenght is about 8 to 15 micrometers - and it requires special sensors to capture (that are used in thermal cameras, but that's entirely different technology than night vision). 100nm is on the other hand an extreme ultraviolet, closer to X-rays than visible light, and it's an ionising radiation (thankfully mostly absorbed by Earth's atmosphere). NV devices capture visible light and near infrared (either from enviroment, like starlight, or from external illuminator) and (I'm simplyfing a bit) turn it into a beam of electrons that is accelerated in electric field and then hits a phosphor screen that starts to glow where an electron impacts it, and that creates an image we can see; that process can amplify the light even hundreds of thousends times.
@MrCashewkitty
@MrCashewkitty Ай бұрын
I hadn't use nods since the late 90s until I recently bought a high FOM, white Phos, PVS14. I was absolutely blown away at how incredibly well modern night vision works. You can literally see as far at night as you can the day. Throw in a WML with an illuminator and you can even spotlight things hidden in shadows from significant diatances. I dropped a coyote from a couple hundred meters away with my nods and laser. They are absolute game changers. Next up is thermals
@annegajerski-cauley8324
@annegajerski-cauley8324 2 ай бұрын
You have just spent 90% of this presentation convincing the viewer that "night vision" devices are about using invisible IR radiation, and only introducing the true concept at the end. It was rattling to this expert to hear the term applied to anything other what it was meant for- and officially used for : photon multiplication devices. These might be occasionally be offered under the name "star 'scopes" , but would never be conflated with IR imaging. The difference helps to spell victory for western and western-friendly forces, versus old Soviet block power that cannot afford the "star vision" capability". There are numerous (other) technical errors scattered throughout the presentation that show that the presenter is offering up, at machine gun speed, a pile of casually looked up "facts" - the title says it all - rather than expert knowledge. Dear visitor, please go elsewhere for good accounts involving STEM.
@Barbaroossa
@Barbaroossa 3 ай бұрын
Moon's out. Guns out. *grabs nerf gun*
@the.amazing.spatterman
@the.amazing.spatterman Ай бұрын
But why is NV green though? Did I miss that somewheres? Quora: Night vision goggles are made to use green, because the human eye can distinguish more shades of green than any other colour! Me:  _..Interestinnggg.._
@tomholroyd7519
@tomholroyd7519 2 ай бұрын
7:20 I see what you did there
@wcsoblake85
@wcsoblake85 3 ай бұрын
Just imagine the stacking those boys could have done with the latest gen night vision we have now.
@muffty1337
@muffty1337 2 ай бұрын
It is always fascinating how much Simon buchers German names and the language in general. I wonder why that is... Because i am completely capable of pronouncing English names and even names of other languages without offending people.
@godoffini
@godoffini 2 ай бұрын
The irony of promoting VPN service to protect your privacy and then also promoting a dataharvesting company fucking over you and all of your family.. Love the content, absolutely hate this sponsership
@ltherebellionl
@ltherebellionl 2 ай бұрын
Centuries of science, decades of of and years of combat testing have culminated in my ability to go get burritos at 2 AM from Taco Bell with my headlight off and a silly hat. God bless America.
@Jan_Seidel
@Jan_Seidel 2 ай бұрын
Nice video but I have one burning question. Why is the image always green? Blue might be a choice if there is an option. Green light is most intense noticed by the human eye, while blue light is not perceived as light by the human eye which makes adapt to darkness way quicker.
@danhaywood5696
@danhaywood5696 2 ай бұрын
Ive noticed throughout life, that I can see in the dark better than other people. Even though Im al.ost 60, and my vision isnt as sharp, I can still do well in the dark. Really dont like bright lights that aint sunshine though. Being able to truly see clearly in the dark, must be like a super power boost to a soldier.
@jonadabtheunsightly
@jonadabtheunsightly 3 ай бұрын
Huh. I was assuming that the modern version would consist of a sensor (similar to the one in an infrared digital camera), some electronics, and an LCD panel.
@SilverStarHeggisist
@SilverStarHeggisist 2 ай бұрын
Those do exist, however they are currently significantly inferior to analog night vision. The good ones are about on par with gen 1 and they lag making them ill suited for moving with them.
@holgerackermann75
@holgerackermann75 2 ай бұрын
4:47min that cannot be true. The wavelength of 800nm needs a heat source of several hundred degrees Celsius. IR thermografie cameras use 1.000 to almost 15.000 nm.
@thepaperboy9009
@thepaperboy9009 2 ай бұрын
Interesting, but whats changed with your recording method? I'm getting a horrible echo in Simon's audio track, like he's talking into a large bucket or garbage can..
@barrydysert2974
@barrydysert2974 3 ай бұрын
WHY IS IT GREEN????
@SilverStarHeggisist
@SilverStarHeggisist 2 ай бұрын
Green phosphor was used because the human eye is most sensitive to shades of green, so you can see finer detail in green. White phosphor was later used because while the eye is most sensitive to green shades, it is most sensitive to white in terms of intensity. So a white phosphor night vision will seem brighter to you even though it may not technically be brighter
@MichaelJohnson-ey1nv
@MichaelJohnson-ey1nv 2 ай бұрын
The red ones let you see demonic beings. They experimented with them in Vietnam, but switched to green.
@icegiant1000
@icegiant1000 3 ай бұрын
There better not be a quiz after this... cripes.
@SilverStarHeggisist
@SilverStarHeggisist 2 ай бұрын
I had to basically take a test on this to pick one out to buy. was a ton of things to remember
@eggsngritstn
@eggsngritstn 3 ай бұрын
Today's pedantic pronunciation note: Nachtjäger is pronounced Nahkht YAY gur.
@francisbalfour1243
@francisbalfour1243 2 ай бұрын
Fun fact 8:49 This technology is still widely used today, in particular in smartphones, it's how your cameras focusing features work, the red dot next to the camera emits infrared light, which reflects off objects and bounces back to the sensor next to it, using the time taken to return to find the objects distance to properly focus the lenses to get clear inages
@insolentjaguar
@insolentjaguar 2 ай бұрын
Simon! We dont like the "ad dork". PLEASE lose him! It severely disrupts your flow that you had mastered!
@Shadowman...
@Shadowman... Ай бұрын
Night vision tech was back engineered from the Roswell crash in 1947. The alien craft had windows that illuminated the night when seen from inside.
@basildaoust2821
@basildaoust2821 Ай бұрын
Maybe I'm confused, but your video seems out of date and useless for anyone who wants to know what is really available today how much better the dark sky scopes are and how easy it is to drive a vehicle right now with no issues to drivers and no issues with runs over anyone or into anything. I know I saw it on KZbin maybe by Veritasium at kzbin.info/www/bejne/i3LIe3t3e8-qhq8 it seemed way better than this, though maybe you had more history.
@lemonflavorclorox7389
@lemonflavorclorox7389 2 ай бұрын
Me: What’s Technology Connection like topic doing here with mighty Simon Whistler?!?!
@andrewbrady3139
@andrewbrady3139 2 ай бұрын
I got to play with color night vision in a lab in SoCal in 2010. The problem they had was making it smaller (at the time).
@chuckoneill2023
@chuckoneill2023 2 ай бұрын
My DNA. The absolute best way to make sure you're full genetic profile is available to anyone, at ant time.
@lateralol
@lateralol 2 ай бұрын
interesting... I just happen to assemble scintillating detectors for mass spectrometers and electronic microscopes, some of them are being bought by Zeiss and sold by them to their clients
@ClassicRiki
@ClassicRiki Ай бұрын
9:54 😂 the night Hunter badge or patch has the map of Great Britain on it that’s funny. That didn’t work out well for them.
@matthewsecord7641
@matthewsecord7641 2 ай бұрын
Daven bro...nice to seeya. Edited to correct name spelling! Looking good bro.
@Watashi_wa_robottodesu
@Watashi_wa_robottodesu 3 ай бұрын
There's also blue, and white for NV's not just green
@michaelhill6451
@michaelhill6451 Ай бұрын
Thermal scopes can be used in complete darkness. I truly believe they are the future of night vision.
@Shauma_llama
@Shauma_llama 2 ай бұрын
After watching so much Brain Blaze, hearing Simon being serious seems odd.
@chrisshenett5151
@chrisshenett5151 Ай бұрын
The American you have reading the ad sucks,he does other videos and I always click away I'm here for Simon no one else
@GlurglePop
@GlurglePop 3 ай бұрын
As an Iraq 2 vet, the soothing green of night vision gets me angry…. And a little h 0rny. Don’t ask.
@emo565
@emo565 2 ай бұрын
This is not the history of NVGs to date. They make new ones that turn everything yellow or amber color and are better then the old green ones.
@R12gsa09
@R12gsa09 2 ай бұрын
Excellent presentation, but for the love of goodness. Dude, slow the f down!
@briancoward6531
@briancoward6531 Ай бұрын
Night vision is green because humans can see more shades of green than any other color. Useful when you can only view in one color
@djaric
@djaric 2 ай бұрын
That Desert Storm propaganda on the news everynight was something.
@Shoelessjoe78
@Shoelessjoe78 3 ай бұрын
The Predator. Case closed it was Aliens as usual.
@gcl2783
@gcl2783 3 ай бұрын
Commercial DNA ancestry services are not worth the risk.
@ScotlandsGold
@ScotlandsGold 3 ай бұрын
10:40 that soldier must be 15 yo max
@Panama_Red
@Panama_Red 3 ай бұрын
That was a jarring ad jump...Buy a guy dinner first😂
@gaius_enceladus
@gaius_enceladus 2 ай бұрын
Arrgh! It's a bald, bearded and bespectacled green channel host!
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