Kevin Bullis, TR’s energy reporter, gets a ride in a prototype vehicle called Personal Urban Mobility and Accessibility (P.U.M.A) at the New York Auto show. The vehicle is meant to transform urban transportation.
A video demonstrating how Tor uses a series of relays to protect anonymity online.
Dale Jorgenson, a professor in the department of economics at Harvard University, talks about the pros and cons of the stimulus package.
A pair of lungs breathes outside the body with the aid of a device codeveloped by the Toronto General Hospital, University Health Network, and Vitrolife. Prior to transplant, lungs can be preserved, assessed, and genetically repaired for up to 12 hours using the XVIVO system, according to researchers.
As legislators discuss major new legislation for moving the United States away from its dependence on fossil fuels, Daniel Yergin, chairman of Cambridge Energy Research Associates, reflects on lessons that can be learned from previous shifts in energy use. Yergin recently released a new edition of his Pulitzer Prize–winning book, The Prize: The Epic Quest for Oil, Money and Power.
A UC Berkeley researcher uses a magnifying glass to focus sunlight onto a small plastic boat. Nanotubes at one end of the boat absorb the sun’s heat, propelling the boat through the water. The second video shows a rotor that works on the same principle. A similar design could be used to make simple solar-powered pumps.
Seward Rutkove explains how a technique called electrical impedance myography (EIM) can be used to measure the health of muscles. He demonstrates a handheld device that can now perform EIM measurements much more quickly than before.
An animation shows the components of a new modular battery system for electric vehicles and plug-in hybrids.
University of Michigan chemistry professor Nicholas Kotov shows off the smart textiles he makes by coating cotton with carbon nanotubes.
MIT physicist Gabriella Sciolla explains what dark matter is, what physicists believe it might be like, and what technologies are behind the search for dark matter.