This patch of beating heart cells is been positioned over an array of nanowire transistors, one of which is visible at center. The nanowires can make high-resolution recordings of electrical signals in biological cells.
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.
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.
Roger Dingledine, leader of the Tor Project, describes where the anonymity technology came from, who uses it today, and how it will improve--and its usage will expand--in the future.
Karim Nader, a neuroscientist at McGill University in Montreal, explains the theory of reconsolidation, and describes how it might be used to treat anxiety disorders.
A five-member panel of venture capitalists and entrepreneurs describes how to invest and start companies during a recession--and why now might be the best time to bring new technologies to market.
Excerpts from a panel discussion on entrepreneurship include discussions of why recessions provide disruptions that are good for startup companies and where government stimulus money fits in.
Robotic devices presented at the RoboBusiness 2009 Conference in Boston.