› added 6 years ago

43

TIL after analyzing losses over North Vietnam in 1968, the US Air Force invested in upgrades for its F-4 jets while the Navy created an advanced combat school for its pilots: TOPGUN. The Navy saw kill ratios climb to 13:1 while the Air Force saw no improvements.

Read more wikipedia.org

via reddit.com

Y7P0d TIL that Nazi Field Marshal Ferdinand Schörner was especially harsh on deserters, even putting out an order in 1945 that all soldiers found deserting were to be court-martialled and immediately hung, and that later that year he deserted his own post.
wL6D8 TIL: The entire field of "Public Relations" in government was created as a way to continue wartime propaganda during times of peace.
1aA0V TIL While the US Dollar (Sacagawea and SBA) coins were considered failures in the continental US, in other countries that use the Dollar, the coins are more popular than $1 bills.
N7BvN TIL Since 2017, when Waymo, began testing self-driving vans in Chandler, Arizona, Police have responded to dozens of calls regarding people threatening and harassing them. People have thrown rocks at Waymos, slashed a tire, chased them, tried to run them off the road and aimed a gun at one of them
nW5OP TIL about the Weissenberg effect: when you stir certain unusual liquids, they sometimes climb up the stirring rod instead of being pushed outward. This strange behavior happens with some non-Newtonian fluids (liquids that don't flow like water) and is used in some manufacturing processes.