Add Yahoo as a preferred source to see more of our stories on Google. Adam Sherwinski teaches ciLiving host, Jaclyn Friedlander about light refraction. Watch how light bends when it passes through ...

Add Yahoo as a preferred source to see more of our stories on Google. Since ancient times, people have experimented with light, cherishing shiny metals like gold and cutting gemstones to brighten ...

Sometimes when you look into a swimming pool it’s difficult to tell how deep the water actually is. If you grab something long, like a stick, you can use it to test the depth of the water. Upon ...

For the first time, scientists have demonstrated that negative refraction can be achieved using atomic arrays - without the need for artificially manufactured metamaterials. Scientists have long ...