Physics

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Refugees try to warm themselves with a fire at a refugee camp at the border between Greece and the Former Yugoslav Republic of Macedonia. EPA/Yannis Kolesidis

A bit of numeracy can take the heat out of the asylum debate

What a Nobel prize-winning physicist can teach us about about trying to deal with the current global crisis over asylum seekers and refugees.
A butterfly’s wing viewed through an optical microscope (left) and the scanning helium microscope (right). University of Newcastle

New helium microscope reveals startling details without frying the sample

A new scanning helium microscope offers the potential for capturing images with finer resolution than optical microscopes, but without damaging samples as with electron microscopes.
Do the holes in the banner carried by these Vietnam veterans during an Anzac Day parade in Canberra make any difference? AAP Image/Alan Porritt

Do wind vent holes in banners make a difference? We used a wind tunnel to find out

Attend any ANZAC Day parade and you might see people carrying banners with holes cut in them. They're supposed to cut any drag or wind resistance but do they do any good?
Record breaker: Guy Martin next to the Wall of Death. Channel 4

How to ride the Wall of Death

Here's how to use maths to pull off the craziest motorbike stunt of all time.
Making waves. Flickr/Max Nathan

Explainer: making waves in science

We find them at the beach, in every sound and light show, the miracle of wi-fi and now in the fabric of space-time itself. But what exactly is a wave?
Einstein claimed that, had he not pursued science, he would have been a musician. Robert and Talbot Trudeau

Good vibrations: the role of music in Einstein’s thinking

Einstein, an accomplished violinist, claimed that, had he not pursued science, he would have been a musician. That's worth reflecting on, in the wake of last week's discovery of gravitational waves.
Massive bodies can send ripples through space time in the form of gravitational waves. NASA

Gravitational waves discovered: top scientists respond

The long awaited discovery of gravitational waves has sent ripples through the scientific world. Here top experts respond to the historic announcement.
When two black holes collide, the resulting gravitational ripples can be felt across the cosmos. Henze, NASA

Gravitational waves discovered: the universe has spoken

The detection of gravitational waves is the final confirmation of Einstein's theory of general relativity, and opens up a new window into the cosmos.

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