› added 7 years ago

138

TIL facing rising unprovoked shark attacks, Australia is deploying shark detecting drones above its busiest beaches. Software detection rates are 90%, while human accuracy when viewing aerial images is only about 25%.

Read more reuters.com

via ift.tt

v16BK TIL that where a girl ties her bow on her dirndl during Oktoberfest means something. To the right means they're in a relationship, to the left means they're single, in the back means they're a waitress or a widow and in the front means they're a virgin.
R8Ra TIL in 1997, the pilot of an A-10 attack jet turned off his radio and transponder for no apparent reason and flew hundreds of miles off course during a training mission, later crashing into a mountainside in Colorado. No explanation for the pilot’s actions was ever found.
0v7j TIL Beethoven won a sight reading piano competition by turning his sheet music upside down, playing it, then improvising on one of its themes for thirty minutes. His opponent, Daniel Steibelt, never returned to challenge him again.
M61V TIL the show Deadliest Catch negatively impacts the entire Bering Sea crabbing industry by artificially lowering the operating costs of the boats on the show due to their subsidy from Discovery, allowing them to undercut the competition
DNMY TIL: The SR-71 Blackbird was sometimes used to fly over our enemy’s territory during ceremonies involving their heads of state to constantly “sonic-boom” them. This was to remind them they were doing things counter to U.S. Policies.