15:02
Would More Technology Mean Safer Trains?
Seventy thousand miles of track will need to be outfitted with “positive train control” technology by 2015.
Airplane of the Future?
This plane looks blue under ultraviolet light, but it’s designed to be green.
48:03
Annual Prizes Honor the Stranger Side of Science
The IgNobel Prizes salute unusual research, such as an investigation of dung beetle navigation.
22:17
Using Modern Ballistics to Crack ‘Cold Case JFK’
Fifty years later, forensic scientists apply modern tech to the JFK assassination.
When Water Flows Uphill
In the Leidenfrost Effect, a water droplet will float on a layer its own vapor if heated to certain temperature—and these physicists discovered a new means of manipulating the hot droplets.
20:30
“Hatching Twitter”: A Tale of Booze and Backstabbing
New York Times columnist Nick Bilton’s new book reveals the social network’s dark side.
16:20
Early Balloonists Took Science Up, Up and Away
Falling Upwards chronicles the balloonists who took science into the stratosphere.
6:55
Should Sending Cash Be As Easy As Sending E-mail?
In this episode of App Chat, Ellis Hamburger debates the pros and cons of Square Cash.
A Butterfly’s-Eye View: Aloft in a Balloon
Camille Flammarion’s balloon excursions afforded a new perspective on the world.
Turmoil at Twitter: A CEO’s Ouster
Evan Williams was forced out of the company in a boardroom coup carried out by the people he had hired.