› added 6 years ago

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TIL that if you add 250ml of water to 250ml of alcohol, you get less than 500ml of liquid. This is due to strong hydrogen bonding between the different molecules drawing them close together, and that ethanol molecules are smaller than water molecules, so they fill in the spaces between the water.

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BgoZk TIL the techno nightclub "Toffler" in Rotterdam is a converted pedestrian tunnel, and features a hydraulic DJ system that moves back and forth throughout the night. It was named for futurist Alvin Toffler.
4aXX TIL that Google had to change the unlock pattern to require four connecting dots instead of three because Steve Jobs insisted that if users could connect the bottom three dots of the grid to unlock their phone, it would mimic the iPhone’s patented slide-to-unlock feature
woJEP TIL Anne, Queen of Great Britain had at least 17 pregnancies over a 17-year period & had miscarried or given birth to stillborn children at least 12 times. Of her 5 liveborn children, 4 died before the age of two & her sole surviving child, Prince William, Duke of Gloucester, died at age eleven.
v1pLR TIL In Indiana Jones: Raiders’ iconic truck chase, Harrison Ford appears for only a few seconds (closeups). 2nd unit director, Michael D Moore, filmed the scene mostly with stunt doubles, including Terry Leonard who performed Indy dragged underneath the truck and cameoed as a Nazi truck driver
W71xd TIL that excess human food is harmful to wildlife. So we can't just dump all the leftovers into a forest or something and let them do whatever with it, choosing landfills and even poisoning supermarket dumpsters instead...