Sweat glands are tiny antennas
Radiation reflected by the skin could potentially reveal a person’s emotional state
Free-electron laser benefits from ‘seed’ light
Technique produces shortest wavelengths for a FEL
Read article: Free-electron laser benefits from ‘seed’ light
Holography gets smart
Exploring the potential of holograms that can respond
Read article: Holography gets smart
Light could trap and release bacteria
Optofluidic simulations may lead to new sensors
Read article: Light could trap and release bacteria
The best of 2007
Monthly highlights from the year in physics
New magnetic sensor could probe the brain
Portable device operates at room temperature
Hospital scanners could control cell-sized medical devices
Physicists remotely control metal beads in blood vessels
Bubbles compute in logical devices
Microfluidics merges chemistry and computation
Read article: Bubbles compute in logical devices
Magnets take the spin out of blood separation
Red and white blood cells have opposite attractions
Read article: Magnets take the spin out of blood separation
Antiprotons excel at cancer treatment
Exotic particles deliver a bigger bang to cancerous cells
Read article: Antiprotons excel at cancer treatment
