A quadrature encoder uses two output channels offset in phase to detect both direction and position with greater precision.

A sweeping new study has pulled back the curtain on the chaotic early lives of young stars, revealing that stellar infancy is far more turbulent and variable than previously thought. Over ten ...

On 23 November, skywatchers were stunned as Saturn looked strangely bare in the night sky, a rare cosmic moment that made its ...

Explore 15 outdated technologies that quietly shaped today’s biggest innovations and transformed the modern world.

Anything with a laser has undeniable hacker appeal, even if the laser’s task is as pedestrian as sending data over a fiber optic cable. [Shahriar] from [The Signal Path] must agree, and you can watch ...

🛍️ The 52 best Walmart Black Friday deals to shop right now (updating) 🛍️ By Rebecca Boyle Published Mar 1, 2011 11:40 PM EST Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, ...

Sunny Optical Technology (Group) Company Limited, an investment holding company, engages in designing, researching, developing, manufacturing, and selling optical and optical related products, and ...

A new trick with light has now helped capture the sharpest-ever measurement of a disk around a nearby star, beta Canis ...

Oct. 25, 2025 A UCLA-led team has achieved the sharpest-ever view of a distant star’s disk using a groundbreaking photonic lantern device on a single telescope—no multi-telescope array required. This ...

Saturn stunned skywatchers on 23 November when its iconic rings seemed to vanish, leaving the planet looking strangely bare. Astronomers confirmed not ...

There are points in time at which a well-known technology, which has been used and gradually improved for decades, reaches its physical limitations, forcing a shift towards dramatically different ...

Placing materials under extremely strong magnetic fields can give rise to unusual and fascinating physical phenomena or behavior. Specifically, studies show that under magnetic fields above 100 tesla ...