› added 4 years ago

269

TIL although regular concrete needs steel formwork, 3D printed concrete has different methods of achieving structural integrity

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via reddit.com

GLjQ TIL that once officially labelled as retarded, Russian orphans are warehoused for life in psychoneurological institutions, receive little to no education, and are often physically restrained and neglected.
ROo4 TIL Your phone’s PIN/passcode is protected by the 5th Amendment
kL9d TIL the Last words of the inventor of Air Conditioner on his death bed were “It’ll be a Cold Day in Hell!”
kXWm TIL The original creator of Star Trek, Gene Roddenberry, was also friends with L. Ron Hubbard, the creator of Scientology, and boasted that he, too, could have started his own religion if he wanted to.
VB0D0 TIL in the US less than half of murders are solved.