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Potato Battery Experiment: Powering a Light Bulb With a Potato
science.howstuffworks.com/innovation/everyday-innovations/how-to-make-potato-powered-light-bulb.htm
You want to make a potato powered light bulb, but you're not sure how to do it. Learn about how to make a potato powered light bulb in this article.
Hearing Aid Basics
health.howstuffworks.com/medicine/modern-technology/hearing-aid.htm
Hearing aids are small electronic devices that amplify sound and help restore sound to the hearing impaired. Find out how hearing aids work.
New MIT Headset Can 'Hear' Your Thoughts and Respond
electronics.howstuffworks.com/gadgets/high-tech-gadgets/mit-headset-hears-thoughts.htm
MIT's AlterEgo allows people to control computers without ever uttering one word. HowStuffWorks looks at how this could change the way we communicate.
How Sleep Consolidates Our Memories
health.howstuffworks.com/mental-health/sleep/basics/sleep-consolidates-memories.htm
A new study determined it takes a split second for our brains to replay and store certain memories when we sleep. HowStuffWorks looks at the science.
Félicette, the First Feline in Space, Finally Got Her Due
science.howstuffworks.com/felicette-space-cat.htm
Felicette was the first, and so far, only, cat to ever go into space. Why did France send her up, and what happened later? HowStuffWorks finds out.
Do whales and dolphins sleep?
animals.howstuffworks.com/mammals/question643.htm
Whale sleep patterns are different from land mammals in that they are never really unconscious when they sleep. Learn about whale sleep patterns.
Alternative Medicines for Incontinence
Alternative medicines for incontinence include biofeedback training and herbal medicine. Learn to treat incontinence with alternative medicine.
How Night Vision Works
electronics.howstuffworks.com/gadgets/high-tech-gadgets/nightvision.htm
Most of us instinctively think of darkness as a way to hide. Night vision has changed all that. So, how can you see someone standing over 200 yards away on a pitch-black night? Find out.
What Is a Brushless Motor?
electronics.howstuffworks.com/brushless-motor.htm
Discover the differences between the "normal" electric motor and a brushless electric motor that make brushless electric motors more efficient.
How Rumble Robots Work
entertainment.howstuffworks.com/rumble-robot.htm
Rumble Robots are some of the most popular toys right now. Find out how these RC bots wage war and keep score!