› added 12 years ago

97

TIL that a lightning bolt is 5 times hotter than the surface of the sun

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ZVQG TIL Tanks were originally called tanks as a way of misleading the enemy into thinking they were water tanks shipped to areas of the battle where water was scarce.
VM1J4 TIL Urinary tract infections can cause dementia symptoms in the elderly with none of the usual UTI symptoms.
X0A8 TIL “percussive maintenance” is the technical term for hitting something until it works.
kJA4d TIL about Tianducheng, a chinese town of 30,000 people built to look like Paris
GAWaj TIL for cars built since 1980, "warming them up" on cold days by idling them is unnecessary and shortens the engine's life