grace hopper

Part one of Capt. Grace Hopper's 1982 NSA lecture on the future of data, hardware, software and people. It includes her humor, her nanosecond demonstration and views on scaling and resisting old ways of doing things.

Admiral Grace Hopper holds up a length of wire to show how far light travels in a nanosecond, about 11.8 inches. She explains how she made the idea concrete to people who could not picture a billionth of a second.

Grace Hopper appears on Letterman and uses a foot-long piece of wire to show how far light travels in a nanosecond.

A lecture by Commodore Grace Hopper on the future of computing, posted by MIT Lincoln Laboratory. It includes her well-known nanosecond wire demonstration and humorous comparisons of device latencies.

SpaceX footage of the Grasshopper vertical takeoff and landing test vehicle making its first roughly 6-foot hop in McGregor, Texas, on September 21, 2012. It was an early step toward a reusable Falcon 9 first stage.

SpaceX footage of the Grasshopper reusable rocket prototype flying 325 m before landing on its pad. It was the first test to use the full navigation sensor suite and closed-loop control for a precision landing.

SpaceX footage of the Grasshopper vehicle's 744 m test hop, filmed from a hexacopter that gets closer than earlier flights. Grasshopper was a vertical takeoff and landing rig built to test returning rockets to the pad.

Linus Tech Tips benchmarks the prebuilt PCs from its second Secret Shopper series, shares final thoughts on each integrator and picks a winner. Dell ranked last.

A five-minute CBC Radio WireTap farewell video in which people of all ages offer words of wisdom to younger people. The advice is short and funny, and keeps coming back to the point that nobody really knows what they are doing.

A SpaceX concept animation showing the planned fully reusable Falcon 9, with both first and second stages performing vertical landings.

A social experiment in which an 18-year-old woman runs a Tinder profile as a man and sees how differently the dating experience plays out for men.

A four-pane view of Armadillo Aerospace's Mod vehicle on a June 2010 boosted hop. The flight includes engine shutdown, drogue chute deployment, an engine restart and a safe landing.

A 2006 IBM commercial depicting a future supermarket where shoppers walk out and RFID automatically charges them for their items.