Physics Buzz

Ask a Physicist: Protons & the Strong Force
Thursday, February 04, 2016
Oscar, from New Mexico, wants to know:"Electromagnetic repulsion is inversely related to the square of the distance between both objects. Shouldn't this mean that the integral of the force between two protons is infinite if the distance becomes zero? If ... more

Big Data, Quantum Solutions
Wednesday, February 03, 2016
Modern computers, like the one you're probably reading this on, are capable of performing the kind of calculations that, in the early days of computing, it would have taken a room-filling apparatus to do. Supercomputers, the modern incarnation of those r... more

Ask a Physicist: The Shapiro Delay
Monday, February 01, 2016
Adhersh from India, wants to know:What will be the behavior of light when it passes between two highly massive bodies?Adhersh,Let’s elaborate a bit on your question, to make it into that most powerful of theoretical physics tools: a thought experiment!Im... more

Podcast: Physics and the Smell of Snow
Wednesday, January 27, 2016
Can we smell a snowstorm before it begins? Anecdotally, many people insist that they can detect an impending snowfall, but what does the science say? On today’s podcast, we’re joined by olfactory scientist Pamela Dalton, a researcher at the Mon... more

Didymium: The Unreal Element in Glassworking Glasses
Tuesday, January 19, 2016
Glasswork is an ancient technology—though it's perhaps more apt to describe it as an art—that's been subject to refining and improvement over countless generations. While you might not expect new developments to emerge very often in such an old field, te... more

Why is "C" the speed of light?
Wednesday, January 13, 2016
We get all sorts of questions in our "Ask a Physicist" inbox, (including a positively disheartening number from people who seem to think it's "Ask a Psychic") but one topic that consistently seems to spark people's imagination and curiosity is the speed ... more

Danes Innovate Nanoscale Laser Printer
Thursday, January 07, 2016
Laser printing has taken a large step forward into the diminutive realm of nanotechnology with recognizable, albeit imperfect, reproductions of images so small that they could fit comfortably on the finest human hair.A "Mini Lisa", approximately 5 millim... more