Posted on December 21, 2018
Most people in the Northern Hemisphere, while going about their business today, the shortest day of the year, will not have to use a flashlight. That's because we often move between lighted indoor spaces to lighted outdoor spaces, and back again.
And those of us who DO need a flashlight, today, will use a device that I would never have imagined using as a flashlight even a handful of years ago:
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I use my iPhone as a flashlight WAY more often, these days, than I use a flashlight that isn't also a camera, computer, and phone! |
But many of us do still use regular old flashlights, too, the kind that look quite a bit like the first patented flashlight, which was invented in 1899.
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Above, the first flashlight. Below, a modern flashlight. |
And some of us use other sorts of flashlights, too, like headlamps or diver's lamps. Doctors use special halogen penlights and otoscopes and ophthalmoscopes. There are lots and lots of other specialty flashlights as well.


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