› added 6 years ago

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TIL GravityLight is an LED light powered by a bag filled with 20 lbs of rocks or earth, attached to a cord, which slowly descends and powers the light for up to 20 minutes & takes only seconds to reset. Intended as a replacement for kerosene lamps in the developing world it has no operating costs

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9LEm TIL - Nikola Tesla was a proponent of an imposed selective breeding version of eugenics. Eugenics is the belief and practice which aims at improving the genetic quality of the human population.
GEoj TIL that a 20 year-old book titled “Foundations of Geopolitics” outlined Russian goals to annex Ukraine, separate the UK from the rest of Europe, and foment racial and isolationist groups in the U.S.
jNZv TIL that we lose 6 seconds of visual information each minute from blinking. In a 150 minute long movie, our eyes are shut for 15 minutes
EK1o TIL All prisoners in Norway have internet in their cells.
xV6Ng TIL if your brain was cut down the middle the two halves would function independently, almost like another person is sharing your body.