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Airs Saturday, August 10, 2013 at 2 p.m. on KPBS TV

Think about the miles of power lines criss-crossing our modern world. Inspecting them all for signs of wear and tear can be a complicated and expensive process. That's why a group of crafty UCSD engineers built SkySweeper, an elegant little 3D printed robot that could make power line inspection a lot simpler.

35th Anniversary Re-release of Sci-Fi Cult Classic

As editor, Bradlee led the newspaper to national eminence through charm, drive, instinct and, most notably, an epic confrontation with the Nixon White House. He was 93.

Congressman Darrell Issa is expected to propose an immigration reform bill that would give temporary legal status to immigrants in the country illegally.

It's a windy Thursday afternoon in Ogdensburg, part of a sprawling rural county in northern New York.

Russell Johnson, the actor whose job it was to be the voice of reason and calm on an island of shipwrecked ninnies, has died at age 89, according to reports. Johnson's role as the Professor on the 1960s comedy Gilligan's Island endeared him to audiences who watched him build radios and generators from things like coconuts and palm branches.

Airs Saturday, April 26, 2014 at 10:30 a.m. on KPBS TV

Cyberstalking has transformed domestic abuse in the U.S. Tracking tools called spyware make it cheap and easy for someone to monitor a partner secretly, 24 hours a day.

Computer programming competitions known as "hackathons" have spread like viruses in recent years as ways for geeks, nerds and designers to get together to eat pizza, lose sleep and create something new.