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Saturday, May 25, 2013 | 1:09 a.m.

Tech Science

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Scientists Measure LA's Carbon Footprint

Scientists Measure LA's Carbon Footprint

A project at CalTech and NASA's Jet Propulsion Laboratory is trying to measure the carbon footprint of human activity in the Los Angeles basin. (May 13)

Scientists Measure LA's Carbon Footprint

Scientists Measure LA's Carbon Footprint

A project at CalTech and NASA's Jet Propulsion Laboratory is trying to measure the carbon footprint of human activity in the Los Angeles basin. (May 13)

Raw: Spacewalking Astronauts Hope to Stop Leak

Raw: Spacewalking Astronauts Hope to Stop Leak

Astronauts making a rare, hastily planned spacewalk replaced a pump outside the International Space Station on Saturday in hopes of plugging a serious ammonia leak. (May 11)

NASA: Spacewalk Planned to Fix Station Leak

NASA: Spacewalk Planned to Fix Station Leak

Two astronauts will make a hastily planned spacewalk Saturday to try to fix an ammonia leak in the power system of the International Space Station. (May 10)

Device Helps Stroke Victims Walk Golden Gate

Device Helps Stroke Victims Walk Golden Gate

A new wearable walking device is letting stroke victims regain their mobility. It's called Kickstart and three early adopters used it to walk across the Golden Gate Bridge on Thursday. (May 10)

Wearable Robots Getting Lighter, More Portable

Wearable Robots Getting Lighter, More Portable

A wheelchair may one not be the only option for people who cannot walk on their own. So-called wearable robots are becoming lighter and more portable. (May 9)

Solar Power Helps Monitor Carbon Fuels

Solar Power Helps Monitor Carbon Fuels

Oil and natural gas companies are turning to solar power as a source of electricity to provide power to remote monitoring stations after hydraulic fracturing crews have left. (May 7)

Raw: Senate Passes Internet Sales Tax Bill

Raw: Senate Passes Internet Sales Tax Bill

The Senate has passed a bill that could end tax-free shopping on the Internet for many shoppers. The Senate voted 69 to 27 Monday to pass the bill, sending it to the House. Some video silent. (May 6)

IBM Makes Tiny Movie by Pushing Molecules Around

IBM Makes Tiny Movie by Pushing Molecules Around

IBM says it has made the tiniest stop-motion movie ever - a one-minute video of individual carbon monoxide molecules repeatedly rearranged to show a boy dancing, throwing a ball and bouncing on a trampoline. (May 6)

Raw: Solar Plane Begins Cross-country Journey

Raw: Solar Plane Begins Cross-country Journey

A solar-powered airplane has taken off from Northern California on the first leg of a planned journey to several U.S. cities. The Solar Impulse left Moffett Field in Mountain View just after dawn. (May 3)

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