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Letters from our readers.
Military antennas are the closest application.
A new class of imaging particles seeks out cancers’ blood vessels.
A nanowire device 100 times as dense as today’s memory chips.
Multi-touch displays advance.
Four-fingered gripper to aid surgery.
New imaging technique shows how fast inland ice is melting.
Plasma turns waste to ethanol.
Skin that helps burn victims fight off infection.
A secret, fast-charging, powerful battery.
Three-inch robot protects the grid.
One of the largest solar energy plants in the world went on line in Portugal this winter.
What happens when an ideological, technologically adept, highly determined group of conspirators are American?
Researchers are fooling around with E. coli.
A veteran venture capitalist’s new energy.
The real value of open-source software is the community it fosters.
New tools are allowing neuroscientists to precisely control neurons.
Corporate support for innovation needs to begin at the board level.
No matter how well they’re engineered, hydrogen cars offer no real answer to the imminent threats posed by global warming.
Is that expensive jar of skin cream on my dresser safe to use?
A growing number of genetic tests can be performed during in vitro fertilization, before pregnancy even begins. Is that a good thing?
A new engine design could significantly improve fuel efficiency for cars and SUVs, at a fraction of the cost of today’s hybrid technology.
New publications, experiments and breakthroughs in nanotechnology–and what they mean.
New publications, experiments and breakthroughs in biotechnology–and what they mean.
New publications, experiments and breakthroughs in information technology–and what they mean.
The potential of solar energy remains unfulfilled.