› added 5 years ago

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TIL that cement is to concrete as flour is to cake. Cement is a component of concrete.

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via reddit.com

QxJd TIL that the bubbles from boiling water make a coffee maker work (as opposed to a pump) and that most basic coffee makers have no moving parts.
LknGd Til A man was stabbed in Disney land, and Disney land didn’t call the medical assistance because it would “ruin the magic”.
D1XYp Today I learned that a lot of reptiles, amphibians and some fish have a third eye. The Parietal eye is located on the top of their head and acts as a photocell sensor to detect light levels.
awanZ TIL about the Quadro Tracker, a metal antenna hinged to a hollow plastic handle bought by police in the 90s for $400-$8000/unit. The manufacturer claimed the antenna would swivel to point towards a sought object or person. The fraud was exposed in 1996 and the company executives acquitted in 1997.
mx8DP TIL that Joseph Christopher (.22-Calibre Killer) attempted to admit himself in a psychiatric center weeks before his killing spree but was deferred to counseling instead.