Energy: A world without fossil fuels?

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The Government Office for Science

The Government Office for Science

8 жыл бұрын

We depend on energy to warm our homes, drive our cars and power our cities, but the way we get this energy must change.
This animation looks at fossil fuels and nuclear energy.
View other animations in the series:
* Energy: Where do we get our energy from? ( • Energy: Where do we ge... )
* Energy: Can renewables power our future? ( • Energy: Can renewables... )

Пікірлер: 11
@CarroArmatoM-jc3ci
@CarroArmatoM-jc3ci 3 жыл бұрын
Keep up all the hard work
@doraamoah4146
@doraamoah4146 5 жыл бұрын
This vedio is really helpful It answers all my question
@Barskor1
@Barskor1 6 жыл бұрын
Cold Steam the efficient way to use the sun or composting and rocket stoves as heat sources to produce electricity and or distilled water explained from basic concept to employment. Water boils in a vacuum at 75 F or 24 C Two open containers one full of water the other empty connect them at the bottom and water will reach an equilibrium 50 50. If one is sealed except for the connection the other will remain empty because of the vacuum created in the sealed container. Gravity will overcome this vacuum if the containers are taller than 34 feet. If the tanks are 40 feet tall the tanks will reach an equilibrium of water levels at 34 feet leaving six feet of hard vacuum in the sealed tank. This makes a vacuum pump set we need two of them if we were going to distill water as the cold side open tank is used to collect the distilled water from it as the continuous input of water needs to go somewhere. Each sealed tank has four valves three at the top two of those on opposite sides (B&C) one at the very top (D) one at the bottom on the side (A), water-based vacuum pump operations are, Close bottom tank valve A and top tank valve C. Open top tank valve D. Fill sealed tank through top side valve B. Close valve B and D when full. Open bottom valve A. This primes the system to let the warm water in that will vaporize and run through the system when you partially reopen valve B (to control flow rate) and open valve C to its fullest. For only power generation need one pump set and one vacuum tank so we can have a Hot side and a Cold side one to boil the water and one to have the low pressure/vacuum to draw the steam in through the turbine then the cooling coils then to the tank. At the bottom of the cold side, tank is a return pipe with the one way valve to the heat source the one-way valve prevents expansion back to the cold side and as the hot side vacuum chamber is the only outlet for the expanding water and it is drawn by the vacuum the cycle proceeds. You can combine the two and get power generation and distilled water keeping the return line from the power generation system will let you switch if you don't need distilled water on a continuous basis in large quantities. I am going to make one feel free to make one as well it is open source.
@MMGWsceptic
@MMGWsceptic 8 жыл бұрын
"These fuels takes millions of years to form and we're burning them very quickly"Last I heard we had over 300 years worth of known coal reserves in the UK - although it's cheaper to import it from abroad where they can just scrape it up off the surface. Also recent discoveries of shale gas have massively increased our known reserves. Seems a bit premature to worry about exhausting supplies. The world will be awash with cheap fossil fuels for many decades to come.
@TheAutoChannel
@TheAutoChannel 6 жыл бұрын
I recently published a rebuttal to Alex Epstein's book titled "The Immorality of Arguing That There's a Moral Case for Fossil Fuels." At the same time it also rebuts a book by Kathleen Hartnett White of a similar title and proposition. It is preposterous to claim that there is anything moral about fossil fuels, and to claim that we owe any debt of gratitude to gasoline/diesel/coal for enhancing our lives. If a debt of gratitude is owed, it is owed to the inventions that utilize various fuels...regardless of what those fuels are. The inventions were all created without consideration to any specific fossil fuel. Internal combustion engines, for example, were created before the invention of either gasoline or diesel petroleum fuel. The steam engine was not created because coal was available. The fact is that fossil fuels have been the cause of wars, disease, and ecological and environmental disasters. Every significant war in the past 104 years has been caused by petroleum oil. Tens of millions of people; no, make that hundreds of millions of people have been killed in these wars. To the war dead-toll we have to add the people who have died as a result of the illnesses caused by the use of petroleum oil fuels. Then there's the life-long injuries and disabilities suffered by untold millions more. There's nothing moral about any of this. Previous attempts to rebuke Mr. Epstein and Ms. White, such as the one written by Jody Freeman, have failed because the writers have as little understanding of history, fuels, energy, and real solutions as Epstein and White do. You can read my complete rebuttal at www.theautochannel.com/news/2018/02/19/511177-immorality-arguing-that-there-s-moral-case-for-fossil-fuels.html. Marc J. Rauch Exec. Vice President/Co-Publisher THE AUTO CHANNEL
@bernardmiller5347
@bernardmiller5347 3 жыл бұрын
Spread the word by 2030 oil will be gone.
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