› added 10 years ago

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TIL Aircraft black boxes are designed to be able to withstand the pressure of being a mile underwater for up to 30 days. In the case of the Airbus box on Air France 447 it spent over 2 ½ years at over 3 miles deep and was still able to determine the cause of the accident.

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9w0WQ TIL that McIntosh is actually a variety of apple. And, the name Macintosh was inspired from the same.
ZpYj4 TIL orcas are a part of the dolphin family
MeGa0 TIL 'Golden Age' 3-D movies had a built-in intermission point around the 50 minute mark. Carbon arc rods on the projectors used for the light source could not burn for more than an hour. The intermission would last 10 minutes, enough time to re-thread both projectors and install new carbon rods.
9wYk7 TIL about the cult of Juan Soldado - a soldier who was executed for rape and murder in 1930s Tijuana, Mexico. Believers in his innocence have come to view him as a kind of “folk-Saint” - adorning his tomb with prayers, effigies and offerings.
EgE80 TIL the special effect in sci-fi movies of a 2D ring of energy or matter emanating from an explosion is called the 'Praxis Effect', named after the visual effect of the explosion of the planet Praxis in Star Trek VI. Other uses include the seismic charges in Star Wars Attack of the Clones.