Mercury in fluorescent bulbs has unique isotope fingerprint

(Phys.org)—Many consumers have started replacing traditional incandescent light bulbs with compact fluorescent light bulbs (CFLs) to reduce utility bills. CFLs are made of glass tubes filled with gas and a small amount ...

Why NASA observes the Sun in different wavelengths

(Phys.org)—Taking a photo of the sun with a standard camera will provide a familiar image: a yellowish, featureless disk, perhaps colored a bit more red when near the horizon since the light must travel through more of ...

Lighting the way in reducing greenhouse gas emissions

Recycling, reusing and reducing are all ways in which Europeans are assisting in efforts to reduce greenhouse gas (GHG) emissions. It is a far cry from the days when we threw everything away without thought. Now we know it ...

Antenna-on-a-chip rips the light fantastic

(Phys.org)—A device that looks like a tiny washboard may clean the clocks of current commercial products used to manipulate infrared light.

Philips Q3 earnings rise, growth economies help

Royal Philips Electronics NV, the maker of electric shavers, light bulbs and medical imaging equipment, saw earnings more than double in the third quarter, thanks to modest growth at all its business lines as well as the ...

Solar fleet peers into coronal cavities

(Phys.org)—The sun's atmosphere dances. Giant columns of solar material – made of gas so hot that many of the electrons have been scorched off the atoms, turning it into a form of magnetized matter we call plasma – ...

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