Piercing the Plasma: Ideas to Beat the Communications Blackout of Reentry
Anticipating novel spacecraft and Mach 10 missiles, the U.S. Air Force considers new ways around an old problem
Computing1828 articles archived since 1845
DARPA Challenge Competitors Already Mobilizing Social Networks
The Defense Advanced Research Projects Agency's Network Challenge begins Saturday, but social networks have been buzzing for weeks about the nationwide quest to find 10 big red weather balloons...
The Internet at 40
Although the Internet did not get its name until the mid-1980s, December 5, 2009, marks the 40th anniversary of the day when the Defense Department's Advanced Research Projects Agency (ARPA) connected four computer nodes to create a "network of networks"--a fateful link-up that would evolve into the Internet...
Vint Cerf: Connecting with an Internet Pioneer, 40 Years Later
Cerf reflects on the cobbling together of four network nodes, a moment that helped usher in the invention that changed life as we know it
E-Motion: Next-Gen Simulators to Blur the Line between Person and Avatar
New motion-sensing technology lets trainees react more naturally to action, without the need for controllers or sensor tags
Can Energy Labels Be Trusted?
Just how good is the Energy Star label? David Biello reports
Will Electronic Medical Records Improve Health Care?
Some see electronic health records as little more than disjointed data, whereas others see potential to improve health care, identify trends and stop outbreaks
Cell Phone Psychology: Personal Training by Phone
Encouraging physical activity may be as simple as offering small rewards
Decoding an Ancient Computer: Greek Technology Tracked the Heavens
New explorations have revealed how the Antikythera mechanism modeled lunar motion and predicted eclipses, among other sophisticated tricks
Researchers Turn to Artificial Intelligence and Real Data to Improve War Games
University of Maryland researchers have created a virtual world they hope intelligence analysts will use to develop antiterrorism policies
Spin success for silicon
Replacing electron charge with electron spin paves the way for a new mode of computing.
Portrait of a Black Hole
By adapting a global network of telescopes, astronomers will soon get their first look ever at the dark silhouette of a black hole
World Changing Ideas: 20 Ways to Build a Cleaner, Healthier, Smarter World
From solar power to powering our planet with garbage, Scientific American explores ideas that would improve our planet
Measuring Up: New NIST Director, Plus Big Budget Put Measurement Science in Public Eye
With $610 million in economic stimulus money added to his budget, Patrick Gallagher is preparing the nation's standards and measures agency for prime time
Leading British climate centre hacked
E-mails and documents have been taken from the University of East Anglia.
War Is Peace: Can Science Fight Media Disinformation?
In the 24/7 Internet world, people make lots of claims. Science provides a guide for testing them
Illuminating the Lilliputian: 10 Bioscapes Photo Contest Winners Revealed
A gallery of images captured by light microscopy reveals the high art of the natural world
Illuminating the Lilliputian: 10 Bioscapes Photo Contest Winners Revealed
A gallery of images captured by light microscopy reveals the high art of the natural world
Nanodevices Bend under the Force of Light
Researchers engineer minute structures that deform ever more appreciably when light passes through them
Heavy Metal: Researchers Try to Get the Lead out of Piezoelectronics
A team of University of California scientists is experimenting with an alternative to lead-based compounds in piezoelectric systems
