319 words Could guns work in space, or on the Moon? 272 words Has human society and culture fundamentally altered our own biological evolution? 344 words How would a springboard work on Moon? 343 words My 4 year old wants to know: Why do magnetic fields exist? 899 words Is it possible for the human brain to "crash"? 545 words If an explosion were to ignite the entire atmosphere of the earth. How long would it take for everyone to die? 361 words What does the term Linear Independence represent graphically? And what are the implications of two things being Linearly Independent? 532 words How can I interpret c^2 or v^2? 279 words Why it's 0^0 indeterminate? 367 words If the extinction event of the dinosaurs never happened, how long would they have likely survived? 347 words Are all languages equally as 'effective'? 657 words how much energy is produced by solar cells compared to all other electricity production in the world? 315 words In a theorized multiverse, how are "universes" separated from one other and can they influence each other? 358 words Are children from younger parents generally healthier than children from older parents? 646 words Since there is an absolute zero where all molecular movement ceases, is there also an "absolute heat" where molecules are incapable of moving any faster? 361 words What is the maximum size a tornado can be? 285 words How do you program a If-sentence without actually using it? 743 words What has been/will be the eventual fate of all our space probes? 743 words What has been/will be the eventual fate of all our space probes? 378 words How long could you survive at absolute zero temperature? (−273.15°C or −459.67°F)