› added 7 years ago

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The US Air Force’s scientific research wing is giving Lockheed Martin $26.3 million “for the design, development, and production of a high power (tens of kilowatts) fiber laser,” which it expects to start testing on a tactical fighter jet in four years.

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5YBXR TIL In the 300 BC the Greek mathematician Aristarchus created a formula capable of accurately calculating the distance of the Sun from Earth.
V4j8 TIL: hummingbirds use spider silk to build their nests
5VYb9 TIL about birds anting themselves. Many bird species purposely get bitten by ants, which releases a venom that kills parasites on the bird’s feathers.
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