Home Ask question Search Order By: ActiveCategoryClear Filter 5 Ans If oxygen in the air is O2 (since an oxygen atom has 6 electrons in the outer shell, it makes 2 double covalent bonds with another oxygen so that they’re both stable), why do oxygen molecules react with metals to form an oxide layer if O2 is stable? Its stable, so why react with anything? 471 views 7 Ans How come rich and developed cities such as New York still unable to control their rat and mice population? 494 views 2 Ans How are watches and smartphones made to be waterproof? 399 views 2 Ans Why do clouds turn gray when it’s about to rain? 470 views 2 Ans What do little birds do in major storms? 483 views 3 Ans – Why do glowsticks last longer when stored in the freezer? 541 views 8 Ans Why not install some kind of electrical generator instead of brakes? 537 views 5 Ans Is there any hard-coded memory capacity of our brain? 443 views 11 Ans Why refrigerators need power when cooling is actually loss of heat(energy)? Why energy is needed to lose energy? 549 views 2 Ans What happens to your body if you don’t exercise? 492 views 2 Ans Ocean acidification and melting polar ice caps 610 views 6 Ans eli5: Why are electric heated blankets and pads so common but cooled blankets don’t seem to exist? 519 views 6 Ans Eli5: Where do franchise restaurants get their decor? 520 views 6 Ans Eli5 If a fetus can breathe fluid can or lungs be filled with a fluid that provides enough oxygen to “breathe” 522 views 2 Ans What is a Karnaugh Veitch map? 560 views 1 Ans How come things like magnesium can liquify the solids in your intestinal track in a matter of 20 minutes? 469 views 1 Ans What happens to the pollutants in our body normally expelled by sneezing when we’re asleep? 445 views 4 Ans [ELI5] How can a black-colored surface be reflective/glossy? 576 views 8 Ans We have very advanced automotive technology like AWD these days to allow us to go off-road, but clearly not all cars can go off-road; how come in old movies you see old cars driving on dirt roads all the time? 639 views 4 Ans Eli5: How can hot air balloons fly by only using fire? 527 views « Previous 1 2 … 1,635 1,636 1,637 1,638 1,639 … 2,894 2,895 Next » Question and answer is powered by anspress.net
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