Another arctic blast is about to hit Oklahoma. Here's what you can do now to prepare your home
If you discover that you have a pipe burst, the first thing you'll need to do is find your emergency water shut-off and turn ...
Science Daily18h
Negative refraction of light using atoms instead of metamaterials
Scientists have demonstrated that negative refraction can be achieved using atomic arrays -- without the need for artificially manufactured metamaterials. Scientists have long sought to control light ...