James MulroyContributor, PCWorld

James is a self-proclaimed rocket scientist, a student, and an amateur-professional foodie who likes long walks on the beach and experimental pyrotechnics.

App Uses Your Webcam to Detect Your Heart and Breathing Rates

A new iOS app tries to monitor your heart rate and breathing rate using nothing but the iPad 2's camera.

3D-Printed Spider Can Help First Responders Save Lives

A new giant "spider" can crawl and even jump its way into dangerous places to locate hazards. Also: It's super creepy.

J-2X Rocket: What's Next in NASA Spaceflight

NASA recently tested a safer successor engine to the Saturn V J-2's; NASA also plans unmanned orbital testing of the Orion space capsule and manned deep space missions.

Lighter, More Efficient Solar Cells Look Like Your Retina

A new nanomaterial improves the absorption rate of solar cells across the entire visible spectrum.

Attackers Get Sneakier With Encrypted Malware

Malicious hackers in Brazil have for the first time created malware that uses encrypted blocks of code to sneak around antivirus programs.

New Tech Can Reduce Battery Charging Time to Mere Seconds

A discovery in the self-orienting properties of a titanium oxide nanostructure may allow for drastically faster charging electronic devices.

World's Fastest Computer Gets an Upgrade, Breaks Its Own Record

The most powerful computer in the world recently got its power bolstered, completely smashing the processing power of the next seven fastest computers combined.

Mars500 Crew 'Lands' After 520-Day Simulated Mission To Mars

After a long physical and psychological test of the human body, a group a volunteers have stepped out of their "spaceship" for the first time in 17 months.

China Conducts First Orbital Docking; Manned Dockings In The Works

China entered the space race this week with one of the world's only automatic docking systems. Plans are in the works for a 60-ton space station, too.

Cylindrical Mirror Brings 3D To The iPad

A new interactive device is bringing 3D interaction to the iPad with anamorphic transformations, opening up a whole new digital realm.