News tagged with red light

Are aliens watching old TV shows?

You've probably heard the trope about how aliens have been watching old episodes of "I Love Lucy" and might think these are our "historical documents". How far have our signals reached?

Jan 20, 2015
4.7 / 5 (26) 51

Rohinni's Lightpaper invites innovative lighting

Rohinni's Twitter statement on what this company is all about is quite simple: We print light. Print light? This Coeur d'Alene, Idaho-based company is introducing its Lightpaper, with a promotional video ...

Nov 30, 2014 weblog
4.5 / 5 (44) 14

Tuning light to kill deep cancer tumors

An international group of scientists led by Gang Han, PhD, at the University of Massachusetts Medical School, has combined a new type of nanoparticle with an FDA-approved photodynamic therapy to effectively kill deep-set ...

Oct 15, 2014
4.9 / 5 (8) 0

Green light for clever algae

Phytoplankton not only constitutes the foundation of the food chain in the oceans, it also fixes carbon through photosynthesis and generates oxygen with the help of solar energy. A considerable part of phytoplankton ...

Sep 26, 2014
4.8 / 5 (5) 0

Algae 'see' a wide range of light

(Phys.org) —Aquatic algae can sense an unexpectedly wide range of color, allowing them to sense and adapt to changing light conditions in lakes and oceans. The study by researchers at UC Davis was published ...

May 01, 2014
5 / 5 (2) 0