Motors and gear trains with micrometer dimensions and powered by light are fabricated using semiconductor lithography and ...

The Internet of Things (IoT) and cyber physical systems have opened up possibilities for smart cities and smart homes, and are changing the way for people to live. In this smart era, it is ...

An artist's impression of the metasurface laser to produce super-chiral twisted light with OAM up to 100. Courtesy: Wits University A new metasurface laser can produce light in any desired angular ...

When a pair of spectacles fog up, it can be nuisance. But when a car windshield or an astronaut’s helmet fogs, the consequences can be fatal. That’s why cars and space suits have their own ...

Scientists at Sandia National Laboratories and the Max Planck Institute have developed a way to produce a web of quantum entangled photons using a far more simple setup than usual. The key is a ...

Stephen King’s Carrie, Professor X in X-Men and the Scarlet Witch in The Avengers are metaphorical expressions of the innate human desire to move things with the mind. A new study published on June 11 ...

In the realm of active 3D imaging, the light detection and ranging (LiDAR) technology plays a pivotal role, offering direct depth acquisition and robust resistance to environmental noises. LiDAR ...

Not an aberration: schematic drawing of the metalens (left), which is made of tiny titanium waveguides. The drawing on the right is of a single waveguide. (Courtesy Boubacar Kanté) A new type of ...

Polarization of light can reveal otherwise invisible information about natural materials and the condition of man-made structures, but the cameras used to detect it are often bulky, expensive, and ...