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TIL MIT researchers developed a one trillion frame per second camera that can capture the path of light

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rR1mw TIL governments banned the Incandescent Lightbulb for not being efficient enough, but MIT researchers developed an incandescent bulb more efficient than LED bulbs.
b6lO7 TIL of the only remaining absolute monarchy in Africa. The kingdom of Eswatini, formerly named Swaziland, was established in 1745 and is named after Mswati II, who expanded and unified the kingdom through military conquests. Swaziland adopted a constitution in 1968 but it was annulled by the king.
r61o TIL Asphalt pavement is not only America’s most recycled and reused material, it now is being recycled and reused at a rate over 99 percent.
PZ1O TIL that in Papua New Guinea, there is a tribe of people believe that “young boys must ingest the semen of their elders daily from the age of 7 until they turn 17 to achieve adult male status and to properly mature and grow strong.”
LQAAp TIL the Bulgarian flag has never been captured in battle