Electromagnetic radiation

all 12 articles

The many colours of visible light just part of what James Clerk Maxwell’s theory was to explain. Flickr/laura peta

Let there be light! Celebrating the theory of electromagnetism

It’s hard to imagine life without mobile phones, radio and television. Yet the discovery of the electromagnetic waves that underpin such technologies grew out of an abstract theory that’s 150 years old…
Not ideal to make music videos. NASA

Explainer: how hostile is space?

Space may seem calm, but it is a more hostile environment than that on Earth. Invisible radiation is a big problem for space enthusiasts and scientific instruments. Substituting electronic devices to do…
Not everyone heeds the advice to turn their phones off during take-off – but should they? Jetstar Airways

What a turn-off: why your phone must be powered down on flights

It’s a fact of life for anyone boarding a plane: all electronic devices need to be turned off during take-off and landing. Most airlines have had this rule in place for more than a decade now, even though…
Imagine a magic prism for the entire range of electromagnetic waves. TORLEY

Explainer: what is the electromagnetic spectrum?

Visible light forms part of the electromagnetic spectrum. So do emissions from TV and radio transmitters, mobile phones and the energy inside microwave ovens. The X-rays used in diagnostic imaging and…
A rooftop ‘E-bomb’ could wreak havoc on critical infrastructure and electronic devices nearby. Shane Brennan Productions

I advised NCIS: LA on ‘E-bombs’ but they’re not a work of fiction

In tonight’s episode of NCIS: Los Angeles airing on Channel Ten, the program’s protagonists try to locate a stolen electromagnetic bomb before detonation. I know this, because I was the scientific advisor…

Top contributors

More