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schonovic

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two-penneth

Conservation of momentum - problem?

Can't remember the formula, but it does occur to me that, for instance, a bee hitting a train coming in the opposite direction has at some point to change direction as it is carried with the train. if...
23:39 Fri 10th Apr 200930 answers, last by Rev. Green 17:09 Thu 23rd Apr 2009
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schonovic

electricity

is anyone out there savvy enough in physics to ponder my invention, i call it an inverse heating element which is exactly what it sounds like a band of material that converts intense heat and light...
23:21 Sun 12th Apr 200922 answers, last by eltelioni 08:57 Tue 14th Apr 2009
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flobadob

What is dark matter, and is it proven to exist?

Could someone explain in lay terms what dark matter is and also is there any evidence of dark matter's existence or is it a theory?
19:34 Sun 12th Apr 200918 answers, last by Rev. Green 17:26 Thu 23rd Apr 2009
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matty2670

Sci Fi spaceships

Apologies for asking a really banal question, but how would the massive spaceships in the movies (like the Enterprise for example) actually be launched from the earth in the first place? Would it be...
01:11 Mon 08th Dec 200820 answers, last by schonovic 05:32 Sun 05th Apr 2009

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