/u/H5N1BirdFlu's posts
A flat piece of metal has a hole in it. When heated, the metal expands in all directions. When the temperature increases, will the size of the hole increase, decrease, or stay the same? Why?
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How can orbital tungsten rods in the "Rods from God" concept hit with the force of "tactical nuclear weapons" if all of the rods' orbital energy is limited to a fraction of the chemical energy in launch vehicles that weigh at most hundreds of tons?
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How would you get and stay on Stalin’s good side if you were living in that time with the knowledge you have today?
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