Improved spectrometer based on nonlinear optics

Enhancing solar cells with nanoparticles
(Optical Society of America) Deriving plentiful electricity from sunlight at a modest cost is a challenge with immense implications for energy, technology and climate policy. A paper in a...

Engineering algae to make fuel instead of sugar
(Optical Society of America) In a paper in a special energy issue of Optics Express, the Optical Society's open-access journal, scientists at the University of California, Berkeley, describe...

The Green (and blue, red, and white) lights of the...
(Optical Society of America) A revolution in energy-efficient, environmentally-sound, and powerfully-flexible lighting is coming to businesses and homes, according to a paper in latest...

Kidde Plug-In Carbon Monoxide Alarm #KN-COB-DP-H
110V Non-Digital AC Carbon Monoxide Alarm With Direct Plug Alarm Only 85 Decibel Alarm Test Reset Button To Reset Alarm Advanced Electrochemical Sensor 5 Year Warranty UL Listed To 2,034...

Death from the Skies!: These Are the Ways the World...
A lively astronomy primer that uses cataclysmic scenarios to explain the universe’s most fascinating events.According to astronomer Philip Plait, the universe is an apocalypse waiting to...