Arguably, a shake flashlight sold by a toy company doesn't have to be any more real than a phone sold by a toy company. I decided to let it go. At that point, everything was beginning to make sense: ...

Are there any real magnetic induction shake-to-charge flashlights out there? Phil Karras relates his run-in with some more flagrant fakes on his website: “I’m not saying that the flashlights were not ...

Shake Flashlight makes you jiggle your phone to turn on the flashlight, which cuts out manual processes. With over one million downloads, it's been a popular option since 2015 among Android ...

And unlike this flashlight, the magnets in the permanent-magnet motors aren't suffering frequent high-G collisions.

Hold the flashlight horizontally and shake it so the magnet moves through the coil. Shine the light at the audience. Original construction: purchased. The flashlight has had its capacitor and on/off ...

As Y2K approached and the world waited for blackouts that never came, human-powered electric gadgets saw a surge of popularity. These radios, flashlights and other devices don't need batteries ...

I’m not sure that I can even count all of the flashlight apps in the market these days (nor would I want to try), but one of them in particular has been downloaded somewhere between 10 and 50 ...