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TIL April 17 is National Horny Day

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6Eje8 TIL our solar system is surrounded by a "ring of fire"🔥 🔥 🔥 an 89,000F wall of plasma created by the interaction between the sun and interstellar winds.
BgvwK TIL that after medieval king of Scotland Robert the Bruce wandered away from his army he was charged at by an English knight. Instead of retreating Bruce charged and killed the Englishmen by smashing his head with an axe.
RQE7 TIL that in the 1960’s, for fear of having their submarine communication cables cut by the Soviets, the US military sent 480,000,000 copper needles into space to secure their communications infrastructure. The needles acted as a mirror for radio waves, enabling communication between distant sites.
epeRJ TIL of The Sawback Blade Bayonet. A German knife used in WW1 that would pull out the insides of it's victims and cause inevitable and painful death. They were recalled by the German military because British and French soldiers would torture and kill any soldiers caught with one, on principle.
d87Q TIL when Cypress Hill’s “Insane in the Brain” is played directly into a dead squid’s nervous system it changes colour to the beat.