› added 11 years ago

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TIL Roughly half, or more, of every iPhone 5 sale is profit

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Yp68G TIL The aluminum can industry saves 90 million kg a year by making the top 6mm smaller.
a5E9 TIL NASA was hesitant to send women into space because they weren’t sure how their periods would affect their performance - “it was theorized that a woman could be bleed to death in micro gravity”
GAgWj TIL. Before electricity, theaters would use heated calcium oxide (commonly known as quicklime), to illuminate their stages. This is where the phrase "in the limelight" comes from.
9kNB TIL the Horse Head used in the Godfather was real.
PmaE TIL that MIT has developed a super-fast camera that takes a trillion shots per second. This camera can capture light as it travels