› added 10 years ago

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TIL that scientists with the University of Rochester have figured out how to manipulate light into moving at what they think to be negative speeds.

Read more rochester.edu

via reddit.com

neOpW TIL that afternoon tea was introduced by Anna Maria, Duchess of Bedford in the 19th century. It was common those days to have only two meals, breakfast and dinner. After complaining of a “sinking feeling” around 4pm, Anna started ordering a tray of tea, bread and butter, and cake to her room.
MPXa TIL, the entire population of California (38M) is more than the entire country of Canada (35M), with California only having 163,000 sq. miles to Canada’s 3.85 million sq. miles.
5Jd9 TIL that Canada Post has assigned postal code H0H 0H0 to the North Pole.
GYOa1 TIL children and pregnant women will absorb more consumed lead (50% of volume) than a non-pregnant adult (5-10%) because children's and pregnant women's bodies have a higher demand for calcium (and Pb readily substitutes for Ca).
MWv7 TIL that there is a British and American version of “death at a funeral” and Peter Dinklage played the same role in both