Tag Archives: form

In my engineering class, we have to boil water using only solar power (no solar cells). Any suggestions?

The faster or more water it boils gives us a better grade. We also can make coffee or tea. I know some form of insulation and mirror is needed. I just need the more suggestions. Maybe from anyone who has ever done this before.

is it possible for a new form of energy other than heat and nuclear energy in propulsion system to work with ?

formally we are using heat energy for our basic propusion.. that we are using all our available resources… like crude oil, gasoline…etc.. instead of that is there any new form of energy which can be used effectively and it should be a renewable source of energy and pollution free like solar energy?

What is the best form of pollution-free economical energy? I have an idea, but i’m not sure…?

I think dependence on oil and use of electricity causes a lot of pollution, is too costly and un-economical, and it should be replaced by a pollution-free economical energy that would be less costly or self-sufficient. I think the best would be “man-power”, such as population power, using raw human labor instead of using oil, electricity, and industry. Spreading out the over-populated inhabitants of the cities over the countryside to bring them directly in contact with Agriculture which would provide them with the food, clothing, and shelter materials, through collective ownership of the land and the products of labor. This would would many problems, such as: pollution, international trade exploitation, overpopulation in the towns and cities, poverty, hunger, unemployment, drug smuggling, rape, stealing, drunk-driving accidents, chemical contamination, radiation cancer, depression (loneliness), laziness, and gun-violence.

Is energy “created” free by gravity?

Law of Conservation of Energy states that energy can be neither created nor destroyed. It can only be changed from one form to another.

If this is true then why is energy “created for free” by gravity? Tidal energy creates absolutely massive amounts of energy for “free”. Nothing is burning, nothing is being consumed. Can anyone explain why?

Either this law is plain wrong or the earth will eventually crash into the sun as gravity “runs out”.

Is there Alcohol in or a form of Alcohol in ROCK STAR ENERGY DRINKS?

My husband drink the diet and sugar free rock stars and when his toxicology test come back it said he had alcohol in his system. He was an over the road truck driver and never drink unless he was on vacation , because he had a fear of being in a accident ( caused by him or someone else) could end his career. Can anyone help me?

Microwave Jet Engine?

Could steam replace fuel in a jet engine? The steam could be created using microwave emmiters surrounded by nozzles which would create a fine mist of water. I know that creating steam from microwaves is very, very difficult. But steam could be produced if this water was in the form of a fine mist. The mist created by ultrasonic foggers are very fine, in fact they are so fine that the water floats in the air. If you could bombard this mist with microwaves, it could produce steam. Add this to a jet engine and voila! I don`t know much about power though. Can steam create as must thrust as burnt fuel?

What is the half life of diamond?

It is known that on the most technical level, diamonds are chemically unstable and will eventually dissolve into graphite, which has the lower energy form and will act according to Gibb’s free energy, but this takes from millions to billions of years. What is the chemical half life of diamond?