› added 1 year ago

59

TIL Kongo Gumi is a construction company founded in 578AD and still in operation

Read more wikipedia.org

via reddit.com

gMrnX TIL Mississippi did not ratify the 13th amendment till 2013, after the release of the movie Lincoln.
neRpo TIL in the middle ages mainly blind people were hired as treadwheel operators on construction sites, as they would not be scared from the sheer drop sight below them. It is also considered one of the worst jobs in history, as the wheels often broke.
XEAZR TIL Researchers created an algorithm that can reconstruct an audio by analyzing minute vibrations of objects depicted in video. In one set of experiments, they were able to recover intelligible speech from the vibrations of a potato-chip bag photographed from 15 feet away through soundproof glass
Oo8lg TIL an ancient city going 18 levels underground was found with thousands of ventilation shafts and could hold up to 20,000 people with schools, markets, churches, areas for livestock, and even tombs
EgdxV TIL surveillance in video games enables detailed profiling of the people playing the game, with some games collecting more behavioral data than social media platforms. Researchers warn of significant risks to consumer privacy.