Lighting experts foresee a day when the incandescent bulb -- and its warm, flattering glow -- will be no longer, and in its place everywhere will be the energy-efficient but cold glare of the compact ...

Before heliocentrism was proposed, Earth was thought to be at the center of the universe. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

The Solar System consists of the eight planets that orbit our Sun and other celestial bodies such as moons, comets, asteroids, minor planets, and dust and gas. The Sun is considered as the centre of ...

One of my favorite classes to teach is Physics for Elementary Education. It's a physics class designed to address the needs of future elementary school teachers—grades 1 through 6 or so. To guide the ...

Today, I wanted to talk about the history of the heliocentric model. After all, Copernicus’ most notable accomplishment is probably his proposed heliocentric, or sun-centered, model for the universe.

The Leiden Sphaera — the dynamic model of the solar system pictured above — was built around 1670 by Dutch clockmaker Steven Tracy. The impressive cosmic model measures 1.5 meters across, and is ...

James Harden's play drew a heavy dosage of complaints, during his time with the Houston Rockets. Many were dismayed with the heliocentric nature of his game, al ...