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TIL the US military's Long Range Acoustic Device (LRAD) can project speech narrowly enough to be heard by a single person 300m away. American soldiers in Iraq used the device to speak directly to specific insurgents, claiming to be the voice of God and ordering their surrender

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ldQa TIL: The ‘Interplanetary Transport Network’ is a collection of gravitationally determined pathways through the Solar System that require very little energy for an object to follow.
WgWA TIL that an asthmatic boy died in a severe asthma attack because the school forbid asthma inhalers; while the boy was dying, the inhalers sat in a safe at the principal’s office.
WkNP8 TIL that Godzilla was named an official citizen and tourism ambassador of Japan in 2015.
QNM4X TIL Marla Gibbs continued to work as a flight attendant for two years after being cast on a hit TV show. In a 2015 interview, Gibbs told the Washington Post that despite it appearing as though she had gotten her big break, she kept her job as a flight attendant for American Airlines for 2 more yrs.
KOnxJ TIL that king George I once organized a concert on the river Thames. He hired G. F. Handel and the result was 'water music', a collection of 3 suites. It was played by 50 performers sailing from Whitehall to Chelsea on a barge. The king liked the composition so much that he asked for 3 encores.