Indian astronaut Shubhanshu Shukla thrilled students with a live ham radio chat from space, reviving interest in this ...

Is black a colour? Black isn’t in the rainbow, but where does it fit in the colour spectrum? What makes something appear ...

Access to the electromagnetic spectrum is a critical requirement for victory in modern electronic warfare. This paper proposes a method for generating electromagnetic spectrum holes in a specific area ...

Energy from the sun’s rays can cause skin damage and cancers. Sunscreens can absorb or reflect the dangerous UV light. Here’s ...

The NASA/ESA Cassini-Huygens mission explored Saturn and its moons from 2004 to 2017, providing the most detailed images and ...

The scientists who precisely measure the position of Earth are in a bit of trouble. Their measurements are essential for the ...

The Hubble Space Telescope has once again provided astronomers with invaluable insights into the mysteries of the universe.

NASA's Chandra X-ray space telescope has captured a breathtaking image of the neighboring Andromeda galaxy, in a tribute to ...

Created as a tribute to dark matter pioneer Vera Rubin, the image was created with the aid of a vast array of telescopes.

However, light that leaves our star also contains UVC radiation, which has a shorter wavelength than UVA or UVB light and ...

Electromagnetic spectrum resources are a very important resource. With the rapid development of radio technology, electromagnetic spectrum resources have become scarce. Abuse of spectrum resources and ...

They do not emit sound in the way our aircrafts do. They appear and disappear beyond the visible spectrum, remaining undetectable to the human eye and standard electromagnetic equipment. These crafts ...