Physics Buzz

Nanostructures Yield New Form of Hologram
Tuesday, May 17, 2016
By relying on scientific advances that recently helped develop invisibility cloaks, scientists have created a new kind of hologram that they suggest could be used in virtual reality and augmented reality headsets, and prevent counterfeiting of cash and c... more

A New Way to Stop & Store X-rays
Monday, May 16, 2016
X-rays reveal broken bones and objects hidden in airport luggage. They detect abnormalities in breast tissue, examine blood vessels while arteries are being repaired, and kill cancer cells. X-rays illuminate structures in crystals and stars. Although x-r... more

Fractal "Superlens" Defeats Diffraction Limit
Thursday, May 12, 2016
New advances in the design of metamaterials—specially engineered substances which have properties not found in nature—may have just overcome one of the major challenges in designing compact optical devices. The breakthrough, reported in Physical Review B... more

Kepler Confirms Nearly 1300 New Planets
Wednesday, May 11, 2016
Yesterday, scientists from NASA’s Kepler team added a whopping 1,284 planets to the official list of planets we’ve found outside of our solar system. Credit for the large number of new exoplanets being added at the same time goes to a new, automated tech... more

Ask a Physicist: Nuke the Sun?
Tuesday, May 10, 2016
Sharon from Pittsburgh, PA wants to know:Would it be a bad thing to shoot our nuclear waste into the sun?It's a fun idea, and at first blush you might think it'd be a great way to get rid of something toxic—after all, what's more "gone" than something in... more

The "Fresh Air Buddy": Understanding Ozone
Friday, May 06, 2016
Not too long ago, I went on a trip with my family. We were leaving the country, taking a ten-hour flight that left way too early in the morning for my taste. Sitting at the kitchen table, munching on some fruit and squinting at the light, I heard the low... more

Untangling Knots in Heart Arrhythmia Model
Thursday, May 05, 2016
A study on knots recently revealed a surprising feature of the mathematical system describing the electrical activity that plays a role in some heart attacks. This work could help us better understand the physical context of these heart attacks, and also... more