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Steve Jobs introduces the first iPod at a small Apple event in 2001. He positions it as a music player and ties it to the Apple brand.

A five-minute TED talk by Rob Reid, who introduces Copyright Math, applying entertainment-industry piracy loss claims to produce absurd totals such as an $8 billion iPod.

Cockpit footage of an approach to the Megeve altiport in France that ends in a gear-up landing, with the warning horn audible throughout. Everyone aboard survived and the crew had thousands of flight hours.

Dave Jones of EEVblog demonstrates that a frequency counter can detect gravity through the 2g tipover effect on quartz crystal oscillators. He shows the reading shift as the instrument's orientation changes.

Peter Sripol shows his homemade Part 103 electric airplane flying, built from hobby brushless motors and batteries. The video covers the first flight out of ground effect.

Peter Sripol builds and flies an RC aeroplane whose wings are rotating KFC buckets, using the Magnus effect (Flettner rotors) for lift. It is a hobbyist experiment in unconventional aerodynamics.

Ben Eater gives a detailed look at how an NPN bipolar junction transistor works and what it does. It is an eleven-minute explanation aimed at building real understanding of the device.

Casey Neistat's short New York Times op-doc investigating how accurate restaurant and packaged-food calorie labels really are. He gets items from chains like Chipotle, Starbucks and Subway measured by nutrition researchers and compares them to the printed numbers.

GreatScott! tests ProLogium lithium ceramic batteries, a solid-state design. He measures their volumetric and gravimetric energy density, compares them to Li-ion and LiPo, and runs durability tests at the end.

Steve Jobs's January 2007 MacWorld keynote segment introducing the original iPhone. He presents it as a widescreen iPod, a phone and an internet communicator in one device.

A CNN report in which Nima Elbagir witnesses migrants being auctioned as slaves at a property outside Tripoli, Libya.