Four kinds of search engines.
Kevin Bullis, Technology Review’s energy editor, spoke with Frank Weber and Tony Posowatz, GM executives, about GM’s new plug-in hybrid electric car called the Volt, and then took a test version of the vehicle for a rare test drive. (Note: The speed of the car, referenced in the video, is kilometers per hour.)
Engineers at Kennedy Space Center, in Florida, are constructing Ares I-X, a test flight rocket that is part of NASA’s plan to return humans to the moon, and then travel to Mars and beyond.
Kevin Bullis, Technology Review’s energy reporter, received a tour of GM’s new battery lab and learned new details about the GM Volt battery pack.
David Merrill, inventor of Siftables, interactive electronic building blocks, demonstrates his technology at the 2009 TED conference.
At a recent conference at the United Nations, the person in charge of the Department of Energy's finances told Technology Review how his agency is pushing innovation.
Richard Swanson, founder of SunPower, in San Jose, CA, discusses his company’s solar-panel technology for building efficient solar plants.
Stephen Wolfram shows off the best of Wolfram Alpha in action.
Low-intensity, low-frequency ultrasound waves can trigger neural activity in brain tissue. Here, acoustically triggered activity, which spreads through the neural circuit, is shown in the warmer colors (red and yellow).
Google engineers, T.V. Raman, and Charles Chen demonstrate the eyes-free capabilities that can be easily programmed into Android-based applications.