In the middle of the TV is an upside-down pink triangle crossed out by a red "no" symbol. The pink triangle was used as a badge to identify gay men in concentration camps, and many received ...
Russia has hit on an "offensive triangle" of tactics that are forcing Ukraine to lose ground. The key to reviving Russian airpower has been a surprisingly low-tech weapon: glide bombs. Glide bombs ...
In 1907, the English author and mathematician Henry Ernest Dudeney posed a puzzle: Can any equilateral triangle be cut into as few pieces as possible that will fit together to form a perfect square?
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