Is string theory in trouble? 😵‍💫 Neil deGrasse Tyson breaks down the latest debates in physics, explaining the challenges ...

Abstract: We proposed a slanted grating suitable for RGB bands which is polarization-independent and has a high diffraction efficiency of -1st order under normal incidence. We used Rigorous Coupled ...

For more than a century, gravity has been the stubborn outlier in physics, resisting every attempt to merge Einstein’s smooth ...

In the mid-19th century, Bernhard Riemann conceived of a new way to think about mathematical spaces, providing the foundation ...

The authors are two Indians, Dr. Antony Vipin Das and Vidushi Duggal. They set out to explore some of the most important ...

Ask the publishers to restore access to 500,000+ books. An icon used to represent a menu that can be toggled by interacting with this icon. A line drawing of the Internet Archive headquarters building ...

According to the theory, our reality is encoded on the boundary of a black hole within a much larger universe.

Abstract: Lightning strikes can cause physical harm to people and damage inside commercial, industrial, and residential structures. The risk of damage from lightning depends on the dimensional and ...

If you found out we weren't alone... would that frighten you?' Spielberg's 'Disclosure Day' is one of 2026's most anticipated ...

A recent study published in Nuclear Physics B examines how hidden dimensions might influence the physical reality that we ...

Capturing the first image of a supermassive black hole using the Event Horizon Telescope (EHT). This image of the black hole at the center of the nearby galaxy M87 reveals how gravitation affects the ...

Can you chip in? As an independent nonprofit, the Internet Archive is fighting for universal access to quality information. We build and maintain all our own systems, but we don’t charge for access, ...