Chinese Physicists Build "Ghost" Cloaking Device
A working invisibility cloak that makes one object look like ghostly versions of another has been built in China
Materials
A Handheld X-Ray Scanner?
Towards a real-life tricorder, with varied applications.
Physicists Demonstrate First Laser Made From a Cloud of Gas
Clouds that lase are the first Earth-based versions of lasers that occur naturally in space, say researchers
Best of 2012: Mathematicians Solve Minimum Sudoku Problem
In January, a year-long calculation proved there are no 16-clue puzzles in Sodoku, confirming the long held belief that the smallest number of starting clues a puzzle can contain is 17
How Technology Can Reduce Firefighter Injuries
Advances from an unlikely place--Cornell’s clothing researchers.
How to Measure Quantum Foam With a Tabletop Experiment
Physicists thought they could never measure the foam-like structure of spacetime. Now one theoretical physicist says it can be done using a laser and a block of glass
Physicists Laser Print Conducting Polymer Circuits
Solvents can cause problems in the manufacture of conducting polymer circuits. The answer is laser printing, say researchers
Physicists Build Laser Tweezers Controlled with Kinect
Now you can pick up and move micrometre-scale particles using your hands and arms thanks to a Kinect-controlled device called HoloHands
Medical Duct Tape That Goes Easy on the Skin
Pain-less Band-Aids may be in our future.
Google Earth Finds More Strange Patterns in the Chinese Desert
Google Earth reveals an 8 km line of artificial grid-like structures in the Chinese desert. Now one researcher says she know why it's there
