You already paid. You’re getting the blue one too.’ ” Blissfully ignorant, but soon to learn the disturbing truth, she went along with it. A few weeks later when her son started fourth grade and his ...

For the first time, scientists have demonstrated that negative refraction can be achieved using atomic arrays—without the ...

The wacky, the wild, and the weird. E ven if you weren’t someone who got excited about science class in school, now—as an ...

Scientists have found a way to achieve negative refraction—where light bends the "wrong" way—using carefully arranged atomic arrays instead of engineered metamaterials. This breakthrough has enormous ...

Light adjustable lenses have strong visual and refractive outcomes in patients who have previously undergone radial keratotomy.