Molecular machines get light battery
Light extracts mechanical work from a single molecule for the first time
Semiconductors plug terahertz gap
Scientists build a ‘quantum cascade’ laser that emits radiation at terahertz wavelengths
Doubt cast on “left-handed” materials
Physicists question the properties of materials with negative refractive indices
Small-scale radiation check for mobile phones
New technique could monitor absorption of radiation in ears and eyes
Read article: Small-scale radiation check for mobile phones
Lasers clear leaves on the line
Why physicists love quotations.
Read article: Lasers clear leaves on the line
LCDs paint a bright future
Scientists take the first step towards ‘paintable’ liquid crystal displays
Silver surface boosts superconductivity
An inverse ‘proximity effect’ in superconductors is demonstrated for the first time
Long polymers light up LEDs
Light emission in organic LEDs depends on the length of the polymer chain
Cyclic universe bounces back
The universe could undergo an endless series of big bangs and cosmic crunches
Read article: Cyclic universe bounces back
Nanotubes reach flash point
An accident in the lab reveals more surprising properties of carbon nanotubes
