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If you mount a pickle on two metal forks and plug it into a socket, one end will light up in a brilliant orange glow. It's a classic K-12 science demonstration, but the exact physics behind the illumination has long remained a mystery.
By superimposing two ultrashort laser pulses that converge from different directions, a team of physicists at the University of Oldenburg has succeeded in generating three-dimensional light fields.
Researchers at Tohoku University, in collaboration with the National Institute for Materials Science (NIMS) and the University of Tokyo, have taken an important step toward semiconductor quantum computing using zinc oxide (ZnO).
Most magnets have two poles: north and south, or positive and negative, in a familiar arrangement called a "dipole." But researchers are increasingly uncovering more complex forms of magnetism.
Muons are constantly being created as cosmic rays collide with molecules in Earth's upper atmosphere. With their ability to penetrate far into dense, solid materials, these cosmic muons are often used to image the insides of objects that are otherwise hidden from view. However, the flow of these natural particles is...
Boats passing over smooth water form a pair of diffusion wakes behind them veering off at a certain angle. Turbulence occurs along the line directly behind the boat, but the two diffusion waves are at a theoretical angle of 19.5° from the same line, for deep, ideally smooth water.
In materials chemistry, identifying common parameters that can organize magnetic ground states across complex intermetallic compounds remains a central challenge. Researchers have long used chemically tunable parameters to control magnetic properties. One is valence-electron concentration, commonly discussed as the...
Isaac Newton is typically portrayed as a solitary scientist with intense focus who was obsessed with power and deeply egotistical. But a new book by Caltech historians Jed Buchwald and Mordechai Feingold takes a deeper look at Newton's life in the two decades leading up to the 1687 publication of his groundbreaking...
Researchers at AIST have developed a device that measures the absolute surface profile of curved optical elements with high precision without touching them.
An international team of physicists has developed a new method for determining the precise color of laser light using an image that rotates as the laser's frequency shifts.
Scientists have confirmed the existence of a predicted room temperature superconductor, while explaining the microscopic mechanism that distinguishes it from a similar one discovered several years ago. The work, published in the journal Physical Review B, offers "a theoretical blueprint for the future design of...
Chiral metal clusters that emit circularly polarized light often face a trade-off between photoluminescence efficiency and luminescence dissymmetry. A study published in the journal Advanced Optical Materials tested whether highly luminescent racemic carbon-centered gold(I)-silver(I) clusters could be converted into...
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