› added 5 years ago

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TIL Vantablack isn't a color but a surface application of nanotubes (Vertically Aligned NanoTube Array) that trap/move photons until they convert to heat - thus creating the "black" color through the absence of light

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QeEa TIL Rapper Akon has brought solar electricity to over 1 million Africans, and counting
PYdRG TIL that satellites in the 1960s used nuclear radiation for power by radioisotope thermoelectric generators. However, in 1964 such a satellite disintegrated and spread approx. 1 kg of radioactive plutonium-238 over the planet. This failure led NASA to develop solar PV energy technology.
vPN0j Today I learned that if you use nasal sprays for more than three days, you experience a rebound affect, which is something somewhat like an addiction, in that you are no longer able to breathe normally without it
x6Pyo TIL the largest difference between the time zones of two countries is 26 hours
oByrA TIL Gallium completely destroys Aluminium cans