› added 1 year ago

54

TIL how glitter is made

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Vd6Z TIL: SHGb02+14a is a radio signal source that we have received 3 times, from an area of space with no stars within 1000 light years that we have no explanations for.
Q74p TIL 40 percent of all Wikipedia vandalism is detected by a single bot. It has only 0.1% false positives.
woG8M TIL that the Romans were among the first to introduce a standardized system of measuring time through hours. But they didn't have a fixed hour duration throughout the entire year. Instead, they adjusted the length of an hour based on the length of daylight. A winter hr was shorter than a summer hr.
l7LZA TIL that a Sig Alert was developed in 1955 because the LAPD refused to notify radio stations of traffic disruptions, requiring stations to call in, thus tying up the phone lines and requiring officers to constantly repeat the same information.
Dwnp TIL when you have red itchy swore eyes after swimming its caused from urine mixed with chlorine, not chlorine alone.