Tagged: light

Small and bright: what nanophotonics means for you - Guest Work

Guest Work May 04, 2016

By Benjamin J. Eggleton, University of Sydney Twenty fifteen was UNESCO’s International Year of Light and Light based Technologies. It was a celebration of past milestones in optics and photonics and a look forward into it’s future. We celebrated 1,000 years of Arabic optics, 150 years since James Maxwell’s electrodynamics, 100 years since Albert Einstein’s … Read More

Astronomy: A Voyage of Discovery - Micro to Macro

Ryan Ridden Feb 09, 2016

Astronomy is a subject of exploration. In an age where the Earth has been charted from the Old World to the New, it almost seems like the age of great voyages of exploration and discovery have long passed. That stands true as long as you don’t look up at night. On a clear night it becomes painfully clear there is much … Read More

A light puzzle - Physics Stop

Marcus Wilson Jul 13, 2015

Here's a puzzling photograph that Hans Bachor showed me at the end of the NZ Institute of Physics conference last week. It comes from his public lecture on lasers a week ago. And we don't have the answer to it, so maybe you can enlighten us (pun intended).  The photo is of a demonstration of total … Read More

The equation of time strikes again - Physics Stop

Marcus Wilson Jun 17, 2015

Some of us are rather looking forward to getting to 22 June. That's when the days get longer again. Yes, the reality is that no-one's really going to notice much difference for a while, but it's encouraging to think that the days will be getting lighter again, if only by a little bit. Don't confuse that with temperatures getting … Read More

Seeing spots before my eyes - Physics Stop

Marcus Wilson Jan 23, 2015

"Doctor, Doctor, I keep seeing spots before my eyes" "Have you ever seen an optician?" "No, just spots". The concept of seeing an optician floating across my field of view is a scary one indeed. However, the concept of seeing spots doing the same is one I'm coming to terms with.  I had a talk … Read More