"We are not just replacing the black hole with a dark object; we are proposing that the supermassive central object and the ...

This post features biographies and notable quotes from oral history interviews with planetary geophysicist Lynnae Quick, ...

The irregular, swirling motion of fluids we call turbulence can be found everywhere, from stirring in a teacup to currents in ...

Just after 9 a.m. on Friday, Feb. 6, 2026, final beams of oxygen ions—oxygen atoms stripped of their electrons—circulated ...

Thousands of the world’s best athletes will flock to Milan and Cortina d’Ampezzo in Italy in February 2026 for the ...

Some Call of Duty maps have grown stale after so many remasters, but I’ll give BO7 credit; it's making the most overused ...

Scientists have uncovered incredible truths about the universe, yet some mysteries still refuse to show us an explanation.

Claude isn't the most feature-rich AI chatbot, but it performs most tasks reasonably well and benefits from a well-designed ...

A step-by-step guide to help you fill out a W-4 Nora Carol Photography / Getty Images IRS Form W-4 dictates how much money is withheld from your gross pay for taxes. Step 1 requires you to input ...

Rotational dynamics explained through a 1935 physics textbook. Explore classic diagrams and timeless explanations that break down torque, angular motion, and rotational principles in a clear, ...

Insights on work and energy drawn from a 1935 physics textbook. See how classic physics explains fundamental concepts like work, energy transfer, and conservation using clear, timeless examples that ...

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, ...