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Why Photosynthesis is Important
science.howstuffworks.com/science-vs-myth/what-if/what-if-photosynthesis-stopped.htm
Remember learning about photosynthesis when you were a kid? Let's pretend for a moment that this vital process could somehow permanently stop. How tough would it be to continue to live on this Earth?
Should You Turn Your AC Up When You're Not Home?
home.howstuffworks.com/green-living/should-turn-ac-up.htm
On hot summer days, is it best to turn off the AC when leaving home, turn it up or leave it as is? The answer may surprise you.
How to Insulate Windows: 6 Great Ways
home.howstuffworks.com/green-living/great-ways-insulate-windows.htm
Windows account for 25% of home heat loss. Learn more about these seven great ways to insulate your windows.
How Laser Weapons Work
science.howstuffworks.com/laser-weapon.htm
Laser weapons have been depicted in science fiction for years, but they do exist in real life. Learn more about laser weapons.
What is a hydrogen fuel reformer?
auto.howstuffworks.com/fuel-efficiency/alternative-fuels/hydrogen-fuel-reformer.htm
All fuel cells require hydrogen to work. Learn more about a hydrogen fuel reformer from this article.
How Nuclear Fusion Reactors Work
science.howstuffworks.com/fusion-reactor.htm
Fusion reactors will use abundant sources of fuel, will not leak radiation above normal background levels, and will produce less radioactive waste than current fission reactors. Learn about this promising power source.
How to Tint Your Home's Windows
home.howstuffworks.com/home-improvement/construction/planning/tint-home-windows.htm
To tint home windows leads to many benefits, including saving on heat bills and protecting furniture. Learn why you should tint home windows.
How Light Sticks Work
science.howstuffworks.com/innovation/everyday-innovations/light-stick.htm
Light sticks produce a mesmerizing neon glow before slowly extinguishing. Learn about light sticks, chemical light sticks and how they work.
How Lasers Work
science.howstuffworks.com/laser.htm
Lasers are used in dental drills, eye surgery, tattoo removal, and (of course) laser pointers. Learn how different lasers generate such concentrated light.
10 Innovations in Hydropower
science.howstuffworks.com/environmental/energy/10-hydropower-innovations.htm
People all over the world are working on turning this very ancient power source into an even more important modern one. And that means a lot more than dams.