› added 11 months ago

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TIL about the invariant right theory. This is the theory that most people will turn to their right when entering a store. It is theorized that people unconsciously favor turning right because most people are right handed.

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QaN6 TIL a ship’s cook was found alive in an air pocket inside a wreck, 100ft under the sea, 60 hours after it sank [bonus headcam video from very surprised diver in comments]
JYyVk TIL of the Wait Calculation that states that an interstellar mission that cannot be completed within 50 years should not be started at all as it will be overtaken by more efficient and faster later missions
D14yY TIL Digital VHS tapes from 1998 could store 50GB of 1080i on a normal sized tape - the only way to get HD commercial films until Blu-ray in 2004.
RjG1 TIL that it is incredibly cruel to keep Betta fish in small containers. They naturally should live up to 5 years and the smallest recommended container is 5 gallons. The small cups they are sold and live in are what cause drastically shortened lifespans.
LQ6Gm TIL that the avian magnetic compass of the European Robin has been extensively researched and uses vision-based magnetoreception, in which the Robin's ability to sense the magnetic field of the earth for navigation is affected by the light entering the bird's eye.