I am forever dazzled by the simplest solution to a problem. The leap from can openers to pull tabs is a perfect example. Now consider the familiar problem of losing power at night and being plunged, without ceremony, into darkness.
The
old solutions: kerosine lamps, flashlights, maybe an emergency generator with
some manner of power transfer. But what if the same LED bulb you screw into a
lamp for reading, knitting, or botching your crossword after a second glass of
wine could also serve as an emergency light? What if it quietly charged itself
every time you used the lamp as usual?
That
solution already exists.
Yesterday,
Desiree and I picked up a pack of Power Reserve light bulbs, each capable of
producing up to ten hours of light when the grid fails. I’ve posted a
photograph of Desiree holding one of the bulbs, lit entirely by its own
battery.
—Mitchell
Hegman
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