› added 5 years ago

317

TIL: That there is internet via Amateur Radio!

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vr1L TIL that box jellyfish have human like eyes but no brain.
6EQQQ TIL seagulls will pluck the eyes from baby seals to prevent them from seeking help making it easier to eat them.
VMvZ8 TIL that there's a standard way of creating false color astronomical images called the Hubble Palette
R5nb6 TIL that Sir Arthur Conan Doyle (author of Sherlock Holmes) took a single wicket during his brief first class Cricket career - that of the famed W. G. Grace - and he was so elated at the achievement that he wrote a poem about it.
9wxaQ TIL: You can determine the voltage in power lines overhead by counting the insulator discs below the line. High voltage power lines typically use disc insulators to prevent current entering the metal pylon. Counting the number of discs can give an indication of the line voltage: