Years ago, my friend Rick Bribiescas and I got into a friendly debate about the cause of muscle atrophy and bone loss during space flight. We both felt that a homeostatic mechanism was thrown out of whack by the circumstances of weightlessness. One of us suggested that zero gravity caused to...
This levitating DIY project won't give aspiring Jedi much of a challenge (it doesn't really move), but it's perfect for the Star Wars fan's ever-growing display case. Plus, DIY! More »
Sci-Fi movies) on planet Earth? Since Earth's mass is 5.9736×1024 KG and the normal gravitational pull of which we experience on Earth is 1 G, then does it mean that in order for us to have levitating cars, we must come up with a material that is strong enough, but that is light enough to not be...