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Can we harvest the energy of lightning?
science.howstuffworks.com/environmental/energy/harvest-energy-lightning.htm
From corn to solar power, scientists have been searching every crevice of the Earth to find reliable sources of alternative energy. Could lightning be the answer?
Can we live elsewhere in the universe?
science.howstuffworks.com/can-we-live-elsewhere-in-the-universe.htm
If you consider throwing down a welcome mat on the porch of the International Space Station the same as living "elsewhere," then yes. But what about the moon and destinations beyond?
Can we manufacture matter?
science.howstuffworks.com/environmental/earth/geophysics/can-we-manufacture-matter.htm
We humans love to create. We build soaring skyscrapers from the ground up. We fill blank canvasses with timeless, magnificent art. Can we achieve the ultimate feat and generate matter?
Can we plug the hole in the ozone layer?
science.howstuffworks.com/environmental/green-science/plug-hole-ozone-layer.htm
Plugging the hole in the ozone layer is explained in this article. Learn about plugging the hole in the ozone layer.
Can you build a better chair?
science.howstuffworks.com/innovation/science-questions/build-a-better-chair.htm
No really, can you? Sure, there are lots of chairs out there. Some rock. Some roll. Some recline. Some remain so crazy modern that we're afraid to direct our keisters onto their serious coolness. How you would change this staple of sedentary life?
Can you calculate how far away lightning struck by thunder?
science.howstuffworks.com/nature/climate-weather/storms/question182.htm
You may have heard that you can figure out how far away lightning is by how long it takes for the thunder to arrive after you see the flash. Is this true? How do you calculate it?
Can you catch a sneeze like you can a yawn?
science.howstuffworks.com/life/inside-the-mind/human-brain/catch-sneeze-like-yawn.htm
When you see someone yawning, even in a picture, chances are a yawning urge will come over you, too. But is this also true of sneezing, and if so, why?
Can you make a rocket engine using hydrogen peroxide and silver?
science.howstuffworks.com/question159.htm
At a drag race, I once saw a rocket car that was supposedly powered by spraying hydrogen peroxide on a silver mesh. The resultant reaction produced huge amounts of pure white smoke and apparently enough thrust to propel the car rapidly down the track. Does hydrogen peroxide really react with silver that way?
Can you make time stand still?
science.howstuffworks.com/science-vs-myth/everyday-myths/question618.htm
Making time stand still is explained in this article. Learn about making time stand still.
Can you predict winter weather based on summer weather?
Your grandfather may swear that he can feel the onset of a harsh winter in his bones - and your family may swear it's true - but a lot of us would prefer a more scientific method for predicting what the winter may have in store for us.