"It’s a device called a 'crampon.' Crampons are generally metal spikes that attach to shoes or boots that dig into hard ice ...

Throughout this month you may have noticed we've been losing some of that daylight and here we are at the equinox, equal night.

Abstract: The expressions and properties of the critical angles of nonuniform plane waves for determining the correct refraction angle at the infinite planar interface of two linear, isotropic, and ...

A rectangle has two pairs of equal sides. It has four right angles (90°). The opposite sides are parallel. The diagonals bisect each other. A parallelogram has two pairs of equal sides. It has two ...

Autumn nights bring clear skies — unencumbered by the haze and mists of summer. That makes it a great time for stargazing. This fall we can enjoy the return of Saturn and Jupiter to the sky, along ...

Abstract: This article presents a novel toroidal metasurface that is able to support a toroidal response at almost all incident angles for a transverse magnetic (TM) wave at the microwave range. A ...

Digital Domain’s Phil Cramer details Fantastic Four VFX: from Masquerade3 facial capture to Baby Franklin and The Thing’s ...

The precise imaging of many-body systems, which are comprised of many interacting particles, can help to validate theoretical ...

When you shine a flashlight into a glass of water, the beam bends. That simple observation, familiar since ancient times, ...

Booking a slot at Best Buy, LensCrafters, Sunglass Hut, and Ray-Ban stores will be the only way to purchase Meta Ray-Ban Display at launch on Sep. 30. And delays have already set in.

On Feb. 17, 2026, an annular solar eclipse will be visible from a remote part of Antarctica, forming a "ring of fire" for up ...

Fall 2025 begins Monday, September 22 at 2:19 p.m. Eastern. Expect faster daylight loss, due-east sunrises, and longer, ...