Electromagnetic waves are transverse waves with a wide range of benefits and uses. Some of the waves also pose a risk and are hazardous to human tissues. Climate change - OCR 21st Century All ...

A presenter-led science video showing how to investigate infrared radiation, with Dr Maggie Aderin-Pocock and Dr Alex Lathbridge. The video investigates emissions of infrared radiation and then ...

Radioactivity is a part of our earth - it has existed all along. Naturally occurring radioactive materials are present in its crust, the floors and walls of our homes, schools, or offices and in the ...

All forms of electromagnetic radiation, whether they're called waves or rays, are generated by particles in motion. In a radio signal, for example, negatively charged electrons quickly move back ...

The question “are we alone in the universe?” has fascinated people for centuries. In 1959 two Cornell University physicists described how we might answer that question through interstellar ...

Humans typically blink 4 times per second, equivalent to a frequency of 4 Hz. Blinking at a rate of 1 billion times per second, or 1 GHz, is not possible for a human being. But this is the current ...

A group of international researchers have developed a way to use sound to generate different types of wave patterns on the ...

While THz radiation waves have been manipulated in different ways over the past decades, controlling their direction in air has so far remained a challenge.

Although you might not think of them in this way, you are in possession of two extraordinary antennas, perfectly tuned to receive a narrow band of electromagnetic radiation. These antennas are not ...

New approach could aid “multimessenger” astronomy by quickly locating sources of gravitational waves emitted during these ...

SINGAPORE – Singapore’s coastal monitoring network, which has been keeping tabs on water quality around the country for over ...