How can we measure visible light? The electromagnetic spectrum includes all forms of light energy, known as electromagnetic radiation. (1) Different types of electromagnetic radiation such as radio ...

A research team in South Korea has developed a next-generation sensor material capable of integrating the detection of ...

While ESA's satellite INTEGRAL was observing the sky, it spotted a burst of gamma-rays—high-energy photons—coming from the nearby galaxy M82. Only a few hours later, ESA's XMM-Newton X-ray space ...

Did you know that the world around us is filled with different types of light waves ? From the warm glow of the sun to audible radio waves and invisible gamma rays, electromagnetic waves (action ...

Did you know you've been cooking your food with light? Most of us have a microwave oven in our kitchens, and that's exactly what they do. When you press start, a device called a magnetron emits a ...

March 26, 2006 — -- Of all the different gases that make up Earth's atmosphere, greenhouse gases are an especially important group. Greenhouse gases have one thing in common: They let visible ...

When astronomers stare into the deep universe or at the spectra of a distant star subtly hiding an exoplanet, they need to account for its movement. That relies on two phenomena — redshift and ...

On April 10, 2019, the Event Horizon Telescope (EHT) unveiled the first-ever image of a black hole's event horizon, the area beyond which light cannot escape the immense gravity of the black hole.