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486

TIL in WW2 the British emplyed Operation Window which used a highly effective tactic to jam German radar - dropping plane loads of small pieces of aluminum and zinc foil

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6Dm8 TIL the company that manufactures Fleshlights sent a complementary package of its products to the SEAL team that killed Osama bin Laden.
7r9gX TIL Hydrogen-alpha filters used for looking at the sun transmit only one specific wavelength of light: a deep red light emitted by hydrogen atoms of the sun. H-alpha filters are much more expensive than white light filters. The least expensive ones start at about $700
pYYXb TIL the name of Childish Gambino’s second album "Because The Internet" was suggested by Beck
X0Xgj TIL that Comet Swift-Tuttle is the largest comet to make repeated close approaches to Earth. A collision would release 27 times the energy of the impact that caused the extinction of dinosaurs. It has been described as "the single most dangerous object known to humanity".
Wk7NB TIL Pope Francis released a statement condemning the use of gluten-free Eucharists.