TWCP Physics Calendar

Infrared imaging technique operates at high temperatures

From aerial surveillance to cancer detection, mid-wavelength infrared (MWIR) radiation has a wide range of applications. And as the uses for high-sensitivity, high-resolution imaging continue to expand, MWIR sources are becoming more attractive.

Yes, black holes exist in gravitational theories with unbounded speeds of propagation

Lorentz invariance (LI) is a cornerstone of modern physics, and strongly supported by observations.

Football physics and the science of Deflategate

News reports say that 11 of the 12 game balls used by the New England Patriots in their AFC championship game against the Indianapolis Colts were deflated, showing about 2 pounds per square inch (psi) less pressure than the 13 psi required by the rules, so it seems that the most bizarre sports scandal of recent memory is real. But there are still plenty of questions: why would a team deflate footballs? Could there be another explanation? And most importantly, what does physics tell us about all this?

Scientists search for new ways to deal with US uranium ore processing legacy

Researchers at the Department of Energy's SLAC National Accelerator Laboratory are trying to find out why uranium persists in groundwater at former uranium ore processing sites despite remediation of contaminated surface materials two decades ago. They think buried organic material may be at fault, storing toxic uranium at levels that continue to pose risks to human health and the environment, and hope their study will pave the way for better long-term site management and protection of the public and environment.

Physicists find a new way to slow the speed of light

(Phys.org)—A team of physicists working at the University of Glasgow has found a way to slow the speed of light that does not involve running it through a medium such as glass or water. Instead, as they explain in their paper published in the journal Science, they caused a change in the speed by first running it through a mask, which changed its shape.

Scientists 'bend' elastic waves with new metamaterials that could have commercial applications

Sound waves passing through the air, objects that break a body of water and cause ripples, or shockwaves from earthquakes all are considered "elastic" waves. These waves travel at the surface or through a material without causing any permanent changes to the substance's makeup. Now, engineering researchers at the University of Missouri have developed a material that has the ability to control these waves, creating possible medical, military and commercial applications with the potential to greatly benefit society.

New research re-creates planet formation, super-earths and giant planets in the laboratory

New laser-driven compression experiments reproduce the conditions deep inside exotic super-Earths and giant planet cores, and the conditions during the violent birth of Earth-like planets, documenting the material properties that determined planets' formation and evolution processes.

Scientists set quantum speed limit

The flip side of Heisenberg's uncertainty principle, the energy time uncertainty principle, establishes a speed limit for transitions between two states. Physical chemists have now proved this principle for transitions between states that are not entirely distinct, allowing the calculation of speed limits for processes such as quantum computing and tunneling. The proof puts on sound footing a relationship that most physicists use daily.

Exotic, gigantic molecules fit inside each other like Russian nesting dolls

Scientists have experimentally observed for the first time a phenomenon in ultracold, three-atom molecules predicted by Russian theoretical physicist Vitaly Efimov in 1970.

Wild west physics: Bridging the gap between the study of 'outer space' and 'inner space'

The next frontier in physics may require teeny-tiny answers to big questions, and vice versa. Call it macro-micro physics: the study of the huge paired with the study of the very, very small.

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