› added 9 years ago

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TIL there is no such thing as a true one-way mirror; they are equally as reflective on each side, but one room is kept much darker than the other room, thus preventing the lighter room from seeing through it.

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wK5J TIL that the microwave oven was discovered by accident by an engineer working on radar technology during WWII. While he was standing in front of an active radar in a laboratory, the candybar in his pocket started to melt. He then tried to pop popcorn kernels with the radar to prove his idea.
vPoD TIL it is not incorrect to call DUCT tape, DUCK tape. It was duck tape, first
yVZPV TIL that nearly all of what we see as lightning is the current returning to the cloud from the ground. It appears to be coming from the cloud because it is illuminating the bolts that didn't reach the ground
vPjNj Today I learned that the Albert Speer Jr., the son of Hitler's only known friend, was the lead designer of the 2008 Beijing Olympics.
QBkM TIL chocolate magnate Milton Hershey launched a ‘Great Building Campaign’ during the Great Depression with the aim of employing more people. When he was told that a steam shovel being used on a project did the work of 40 men, he instructed his foreman: “Take them off. Hire 40 men.”