A rotating three-dimensional view of an HIV infected T cell (green) forming virological synapses with three healthy CD4+ cells (red). The viral structural protein, shown in green, accumulates in button-shaped structures at the contact sites.
A two-millimeter-wide strip of an airy carbon-nanotube material expands to more than three times its width when a five-kilovolt voltage is applied to it.
A treatment helps restore muscle function to dogs with a form of muscular dystrophy.
Hothead Technologies has developed a system that can sense and warn a user of heatstroke. In this video, an RFID transmitter is fitted in a headband and a white temperature-sensing patch touches the wearer's forehead. Readings are beamed to a PDA (not shown). When the wearer's temperature hits 102.5 and stays there for 20 seconds, an alarm sounds on the PDA.
Scott Laughlin, CEO of Zymetis, discusses his company’s work to genetically modify bacteria that efficiently converts biomass to sugar.
Experts on a panel called “Basketball Analytics” at MIT Sloan School of Management’s Sports Analytics Conference 2009 discussed ways to quantify sports.
The New York startup, Sense Networks, has developed algorithms that can identify distinct types of behaviors of people in a city, and group them into so-called tribes. The first animation shows the changing whereabouts of these tribes over the course of an evening in San Francisco and the second animation depicts the process of identifying the primary tribes visiting the top 200 nightlife destinations during a certain period of the night.
Watch Andrew Perlman, president and CEO of Great Point Energy, explain his company’s technology for converting coal into natural gas.
The Gravity field and steady-state Ocean Circulation Explorer (GOCE) is a new satellite developed by the European Space Agency to measure the earth’s gravity field. Here, researchers discuss the mission and how it will impact climate-change research.
NASA researchers are using smart materials to improve helicopter performance.