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148

TIL Benjamin Franklin did heroin

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7r7nZ TIL about LIDAR, similar to SONAR and RADAR, this technology bounces light off of the Earth to map features of the land. Even peering through dense forest, it's changing how all sorts of fields of study see the land's topography.
VaN4 TIL that during the San Francisco Police Department Strike of 1975, the SFPD clashed with the law and the Mayor. Eventfully a bomb was detonated on the Mayor’s lawn with a sign reading “Don’t Threaten Us.”
ErQp TIL That the scene in Matrix Reloaded when Trinity hacks into a power station’s computer is actually an accurate portrayal of a hack exploiting a real SSH vulnerability.
oBX8L TIL people would come and go during movies before Psycho. Hitchcock required theaters to not allow people in after it started. It was after that when people would watch entire movies more regularly from start to end
ADEGn TIL that there is a species of ant that essentially use kamikaze tactics to protect their nest. When attacked, one or more workers will attach themselves to the attacker and explode their abdomen, thus releasing a toxic goo all over the attacker. These ants are aptly named Colobopsis Explodens.