13/01/2012

Calif. imposes battery charger energy standards

(AP) -- California will require cellphones, tablets and hundreds of other electronic devices to have energy-efficient battery chargers beginning next year.

Chemical signal helps plants control their “breathing”

For most plants, staying alive means adapting quickly to a constantly changing environment. In a drought, staving off water loss is vital. On a sunny day, absorbing carbon dioxide to generate energy through photosynthesis ...

Twist-and-glow molecules aid rapid gas detection

In an emergency such as a factory fire, ascertaining which gases are present in the air is critical to preventing or minimizing poisoning (Fig. 1). This requires gas sensors that react quickly and provide a visual signal. ...

page 3 from 7