An Easy Hero's Engine

[@carmelpule6954]

Yes, I completely agree, that it is a one cylinder engine. Congratulations for the engineering and the sense of humour.

[@bensombs7568]

Thank you for this great series! Bob Becker does the clearest, easiest to follow science videos on KZbin.

[@aranyakm]

If Hero's invention was not lost with the library of Alexandria, industrial revolution could have come two thousand years ago. By now we could be free to explore other solar systems, other galaxies.

[@radielkill]

industrial revolutions require several factors at the same time, even whit that technology at hand there is almost no chance that we could developed before.

[@derekpridemore993]

Simple demonstrations allow us to grow think develop I truly appreciate this simple demonstration thank you. Our imaginations can run wild with just this thank you again

[@rosiepls5840]

These lectures are really interesting, thanks for uploading them.

[@TheVannfamily]

thank you. very useful for teaching my middle school co-op.

[@7beers]

Very nicely done.

[@blackbirdpie217]

To really confuse someone you could (accurately) call it a single cylinder steam turbine.

[@Claudiomarsantos]

Great and clear ... Thanks a lot !!!

[@shirishpothi4201]

Hi this is a very useful demonstration as a student but does steam actually come out of the holes due to pressure and ,, when you put the buns on burner under, does it steam and evaporate the water anyways it is a great demonstration

[@ct6502c]

This is really cool. I've been reading about the Hero engine for a while now, but I didn't realize how easy it could be to make a simple one like this. I really want to try it now. I've always wanted to build my own little honemade engine. Also this seems a lot safer than trying to make a steam engine with a boiler. I wonder, if you could make some kind of a better shaft and bearing for it, and use reduction gears, would it be able to turn a small generator? Would it have enough torque? It would be neat to get a really simple little engine like this to actually do something useful. Maybe just recharge batteries or something. And you could use solar heat to boil the water.

[@kathymarsh5614]

Be careful about saying that when boiling water hydrogen bonds break! This is most likely to be misinterpreted to validate a big misconception that students have (perhaps some teachers too). Many students believe that the bubbles in a pot of boiling water are full of hydrogen and oxygen gas that is created from the O-H bonds breaking. Better to say that adding heat increases the kinetic energy or motion of water particles, allowing them to overcome intermolecular forces that attract them to each other. Boiling water is still H2O - its just that its particles are moving faster and more spread apart. Then third law: can push gas to the right --------> gas push can to the left.

[@GuruJudge21]

Oh, you mean people will confuse hydrogen bonds between molecules with the covalent bonds within molecules that contain hydrogen?

[@paytonpeeler]

Can you do this with nitrogen?

[@cevinzeke5110]

I know EXACTLY what I’m going to show my drunk friends this weekend

[@fdm4777]

Great and clear... Thank you so much !!!

[@cornpop7863]

Ok, so did they connect it to a gears in the 1st century? I mean if they experimented with this why not gears they did have the Antikythera mechanism after all and that worked off springs and winding.

[@tcf70tyrannosapiensbonsai]

If it takes two holes anyway, make both at the beginning. The can would be emptied far faster! It's physics!

[@superfluidity]

I'm not sure it would. The top hole would release CO2, while the bottom hole would release liquid. Better to keep the CO2 in the can to help push the liquid out, no? Also it would be harder to catch the liquid and avoid making a mess if you empty it indoors.

[@shashankkhemka1444]

Can u add a generator to it and show how it works.

[@siddharthvinod3387]

very good

[@ilikeussr7264]

HELICOPTER HELICOPTER

[@Dan_The_Paper]

Use nitrogen instead

[@arrangingatomsthewaygoddid8904]

Every gasoline engine around the world works on this same technology

[@firefistx7477]

Im going to make one lol

[@davidpayne4315]

Now power something with it otherwise it's useless

[@brandona801]

This message was brought to you by Coka-Cola

[@NassNoName]

howcome the greeks missed such a great technology? we would be 2k years more advanced if they didnt

[@qwerty-gc8tn]

The catastrophe in Alexandria happend, there are theories that if it didn't happen, Greece and east Med would have been the epicenter of industrialisation