› added 5 years ago

461

TIL that the telecom company Sprint was built on infrastructure belonging to the former Southern Pacific Railroad, where it gets its name from: Southern Pacific Railroad Internal Network Telecommunications (S.P.R.I.N.T.)

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vpP7 TIL under French law, 40 percent of all music played on national radio must be performed in the French language.
9B9p TIL people with a naturally slow walking speed are 1.5x more likely to develop dementia in later life, compared to fast walkers.
b9QjQ TIL that astrophysicists use the word "spaghettification" to describe what happens to matter that is dropped through a black hole.
5Vg58 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
pR8p TIL that a cats purr can promote the healing of their broken bones or torn muscles, this is due to the sound frequencies of the purr (which is around 25-150 Hertz). This can also improve their bones density.