It's National Go Fishing Day, though the fish in today’s story aren’t exactly the ones you’d expect to catch. They’re robotic fish called Charlie and Charlene, and they were developed by the Central Intelligence Agency. Plus: tomorrow is National Surfing Day, and one place you might mark the occasion is the Santa Cruz Surfing Museum in California.
Meet Catfish Charlie, the CIA’s Robotic Spy (IEEE Spectrum)
Santa Cruz Surfing Museum (Atlas Obscura)
