This site uses cookies. By continuing to use this site you agree to our use of cookies. To find out more, see our Privacy and Cookies policy.
Skip to the content

Latest webinar


Ray Optics Simulations with COMSOL Multiphysics

Sponsored by COMSOL

View this free webinar

Featured video


The optimization of medical accelerators is the goal of a new network within the FP7 Marie Curie Initial Training Network scheme. Watch this video to learn more about the early-stage researcher opportunities available.

Contact us for advertising information

Editor's choice

Jan 19, 2014

A special free-to-read digital edition containing 10 of our very best feature articles on the science and applications of light

In depth: July 2002


Energy challenges

Environmental concerns fuel the search for alternative energies

Green cars move into top gear

Manufacturers are developing vehicles that use fuels other than petrol

The hydrogen economy blasts off

Economies based on hydrogen fuel are being taken more seriously

Energy savings go through the roof

New materials and a holistic approach are slashing domestic energy consumption


Future energy challenges

Can water, wind and fire save the Earth?

What does energy really mean?

The origin and historical development of the word "energy"