Calif. requires TVs to be more energy-efficient (Update)

(AP) -- California regulators adopted the nation's first energy-efficiency standards for televisions Wednesday in hopes of reducing electricity use at a time when millions of American households are switching to power-hungry, ...

Laser Fusion and Exawatt Lasers

(PhysOrg.com) -- In the recent past, producing lasers with terawatt (a trillion watts) beams was impressive. Now petawatt (a thousand trillion watts, or 10^15 watts) lasers are the forefront of laser research. Some labs are ...

Free PC widgets save energy

I shaved 0.86 pounds of emissions from my carbon footprint and saved 0.646 kilowatt hours yesterday, and if the little widget on my PC can be believed, more than 22,000 people in 128 countries did roughly the same.

Energy Saving Televisions Have Come a Long Way

(PhysOrg.com) -- With consumers being more cost sensitive, TV manufactures are coming out with innovative ways to cut power consumption on their television sets. Even when a television set is turned off, they are still consuming ...

Toward exawatt-class lasers

Ultra-intense lasers with ultra-short pulses and ultra-high energies are powerful tools for exploring unknowns in physics, cosmology, material science, etc. With the help of chirped pulse amplification (CPA) (2018 Nobel Prize ...

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