The Power of the Hand Crank Flashlight

The hand crank flashlight is beneficial and very useful. They are also incredible safety devices, with many offering light at any time. This type of flashlight comes in handy in special or demanding situations, such as when your batteries die, because a hand crank flashlight can take the energy of the user to power the flashlight or other functions of the device. How the Hand Crank Flashlight Started Hand crank flashlights are not a new invention. Michael Faraday discovered the concept upon wh...
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Scientists Are Finding New Ways To Change Light Bulbs

The other day some light bulbs in my ceiling fan went out and I could not reach it. Thinking about how I be would be able to reach the light bulb. I remembered reading an article about how a robotic arm can change light bulbs. What They Are Actually Doing To Change Light Bulbs The researchers could actually scrimp in numerous clever ways. "One was scouring world for the most cost effective, highest-performing components like motors, gears, etcetera," says Curt Salisbury, this project's princip...
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Flashlights for Ghost Hunting

On a cold fall night a friend and I grabbed a couple of flashlights and decided to go “ghost hunting” at a large park that was humored to be haunted. The park was closed off at night so we had to park our car across the street and walk down a path to get to the park. Walking down the path just to get to the park was a little unnerving. Since the park was closed all the lamps were dimmed down significantly. The dimmed lighting gave the park an eerie feeling. We both had flashlights to help us see...
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