› added 2 years ago

117

TIL many of London’s streets were paved with wood

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via reddit.com

8dVX TIL During prohibition, people used to get prescriptions for ‘medical’ wine and alcohol, just like today with weed.
o1Qr TIL that Chinese armed forces use crossbows at all unit levels to stop persons carrying explosives without risk of causing detonation.
4XZaw TIL although regular concrete needs steel formwork, 3D printed concrete has different methods of achieving structural integrity
K8ZE TIL that the atlas moth, which is considered the largest moth species in the world, can spend up to 5 years in it’s cocoon but after emerging into its moth form, only lasts for 3-5 days.
nWjnG TIL The first observatory discovered in the Americas is the Chankillo Archaeoastronomical Complex. It is a prehistoric site (250-200 BC), located on the north-central coast of Peru, in the Casma Valley.