Infrared vision: Study participant putting a contact lens in their eye. (Courtesy: Yuqian Ma, Yunuo Chen, Hang Zhao) A new contact lens enables humans to see near-infrared light without night vision ...

We compare and contrast concave and convex lenses by drawing ray diagrams. In this Closer Look segment on Lenses, we compare and contrast concave and convex lenses by drawing ray diagrams and ...

Flat, high-efficiency, ultrathin metasurface lenses, that focus light to subwavelength spots, have been developed by researchers in the US and Canada. The devices – which produce images comparable to ...

Imagine being able to access the Internet through the contact lenses on your eyeballs. Blink, and you'd be online. Meet someone, and you'd have the ability to immediately search their identity. And if ...

Harvard Physics professor John Huth was awarded the 2025 Lifetime Achievement Award by ATLAS, a group of American particle ...