Forgetting feels like a failure of attention, but physics treats it as a fundamental process with a measurable price. At the ...

Taken from the November 2021 issue of Physics World where it first appeared under the headline "The Geiger counter and the chair". I had discussed all this many times with my good friend Bob, an ...

Techniques for measuring ultrashort pulses have come a long way in the last 10 years. Marie Freebody speaks to Rick Trebino about the intricacies of working at femtosecond timescales and how the ...