Articles on Lasers

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Optical elements of the experimental setup allowing to obtain visible-spectrum laser pulses as short as 10 femtoseconds. Courtesy of Dr. R. Borrego-Varillas and Prof. G. Cerullo, University Politecnico Milan (Italy)

Using lasers to make data storage faster than ever

The speed comparison between today's technology and femtosecond spintronics is like comparing the fastest bullet train on Earth to the speed of light.
Wes Mountain/The Conversation

Timeline: the history of gravity

It's taken centuries for our understanding of gravity to evolve to where it is today, culminating in the discovery of gravitational waves, as predicted by Albert Einstein a century ago.
Green lasers glowing within cells. Matjaž Humar and Seok Hyun Yun

We transformed living cells into tiny lasers

Using fluorescent dye, researchers figured out how to turn cells into lasers – with applications for cell tagging and tracking as well as medical diagnoses and therapies.
Light of every hue. davidd

Light technologies illuminate global challenges

During these dark winter months, spare a thought for artificial lights. From strings of lights adding holiday cheer to artificial sunlamps alleviating seasonal affective disorder, they brighten our days…
That’s another way of looking at things. Antony Pidduck

3D models can bring quicker, greener, cheaper construction

The latest advance used to help design new buildings and conserve our historic ones is a range of 3D modelling technologies. Using 3D models at the design stage improves better information to reduce production…
Feel the lift from the light. Flickr/Louish Pixel

Levitation is just part of the power of pushy light

Most of the time we take light for granted. It arrives with the sunrise everyday and we turn it on with a flick of a switch every night. It appears to be ephemeral and benign to us humans but there is…

VIDEO: How laser tattoo removal works

Professor Rodney Sinclair explains how advances in laser tattoo removal technology have enabled the relatively safe and easy removal of tattoos. But it is a medical procedure, and as laser dermatologist…

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