How do radio telescopes work?

Astronomers have different ways of watching the universe, including optical telescopes like Hubble and radio telescopes like the SKA. But how do radio telescopes actually work? This animation shows you how both dish and dipole antennae receive radio waves to … Continued

The Amazing Concept of Gravito-Electromagnetism

This intriguing article from Cosmos magazine issue 84 discusses the use of mathematical models in Physics and how they help us to better understand the Universe. It highlights how mathematics enables physicists to not only speak, but also understand, discover … Continued

Shining a Light on the Hidden Universe

The night sky has always been a source of wonder, but it wasn’t until the 20th century that we could see the universe in its full glory – across the whole electromagnetic spectrum. This resource is best suited to Earth … Continued