1. Who showed that our universe is heliocentricthe planets of the solar system revolve around the sun?

1. Who showed that our universe is heliocentricthe planets of the solar system revolve around the sun? (Points : 1) Nicolaus Copernicus Galileo Galilei Johannes Kepler Isaac Newton 2. Who developed the laws of gravitation and motion? (Points : 1)… Continue Reading

]Which of the following best describes the changes involved in a fusion reaction? The nucleus of an atom spli?

]Which of the following best describes the changes involved in a fusion reaction? The nucleus of an atom splits into fragments, releasing a large amount of energy. The nucleus of an atom splits into fragments, absorbing a large amount of… Continue Reading

Why can't solar and wind energy be stored in hydrogen?

One of the problems with solar/wind energy is that there is no easy way to store the energy produced. This means expensive, environment-destroying transmission lines have to be built from a solar / wind farm to the destination where the… Continue Reading

Is the failure of firms like Abbot-Detroit, AC, Adler, Allard, AM General, AMC, Auburn, American Bantam, Aston?

Atlas, Austin-Healey, Auto-Union, Autocar, Autodynamics and Avanti proof that the motorcar powered by an internal combustion engine is not a sustainable technology? B Question: If you answered no to the first question: Then why do Conservatives seem to think that… Continue Reading

At what technological stage will an EV have enough range for you?

At different times I have mentioned using a gen-set trailer or electrifying roadways other solutions are replacing batteries (a la Better Place) or making new friends [as already has been done on some remarkably long EV road trips.] The Volt… Continue Reading

An often mentioned EV concern is range. What solution would you offer or prefer?

At different times I have mentioned using a gen-set trailer or electrifying roadways other solutions are replacing batteries (a la Better Place) or making new friends [as already has been done on some remarkably long EV road trips.] The Volt… Continue Reading

Science and maths.. 20 points pls need the answers?

Maths 1.if the probability of winning a division 4 lotto prize (4 winning numbers) is 1/733, what is the probability of not winning a division 4 lotto prize? 2. find all the pairs of prime numbers that add to 36?… Continue Reading

How can I become more effcient to the Earth and myself?

Your Open QuestionShow me another » How can I become more efficient to the Earth and oneself? I believe in conserving the Earth as it is the only planet in which to this date, is inhabitable by the human race.… Continue Reading