NASA's new research reframes orbital debris as a financial risk, quantifying the economic impact of collisions and mission losses. This cost-benefit analysis prioritizes efficient mitigation ...

Abstract: A structural design equation for multidielectric Fresnel zone plate (ZP) lens is outlined in this letter. Based on this equation, multidielectric ZP lenses/lens antennas are studied ...

In recent years, the world of optics has undergone a major shift. New research shows how light can be bent, focused, and even changed in color using structures so small they’re invisible to the eye.

A new type of flat, razor-thin telescope lens could transform deep-space stargazing by making it possible to mount lightweight but powerful telescopes onto aircraft and satellites, scientists say.

Theoretical physicists have proposed a potential solution to one of the most puzzling problems in modern physics: the black hole singularity paradox. By modifying Einstein's theory of general ...

A team of physicists at ETH Zurich has created a tiny metalens that can half the wavelength of incident light. They have achieved this using a special metal-oxide lens material called lithium niobate ...

All the tech we rely on, from cars to smartphones, was engineered using physics. You don’t need to know the science to use these things. But a well-rounded human should understand at least some of the ...

Researchers have developed a groundbreaking method to produce Fresnel zone plates — paper-thin optical lenses — using standard semiconductor manufacturing techniques. These lenses, though less ...

The final single color lens is developed on a plate and resembles silicon chips before they’re put into larger circuits. Paper-thin optical lenses simple enough to mass produce like microchips could ...

Robyn Arianrhod does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...