Related topics: light

Unique terahertz microscope can be operated remotely

With a wave length of about half a millimeter, terahertz radiation fills the gap between visible light and radio waves. This radiation lends itself very well to the in-depth measurement of the electrical properties of new ...

An acceleration of coastal overtopping around the world

The combination of sea level rise, tides, storm surge and waves has increased the overtopping of natural and artificial coastal protection by nearly 50% in the last two decades. This revelation comes from an international ...

EXPLAINER: What's behind the heat wave in the American West?

Much of the American West has been blasted with sweltering heat this week as a high pressure dome combines with the worst drought in modern history to launch temperatures into the triple digits, toppling records even before ...

Heat wave grips US West amid fear of a new, hotter normal

An unusually early and long-lasting heat wave brought more triple-digit temperatures Wednesday to a large swath of the U.S. West, raising concerns that such extreme weather could become the new normal amid a decades-long ...

Space scientists solve a decades-long gamma-ray burst puzzle

An international team of scientists, led by astrophysicists from the University of Bath in the UK, has measured the magnetic field in a far-off Gamma-Ray Burst, confirming for the first time a decades-long theoretical prediction—that ...

Western US braced for record heat wave

Much of the western United States is braced for record heat waves this week, with approximately 50 million Americans placed on alert Tuesday for "excessive" temperatures, which could approach 120 degrees Fahrenheit (50 degrees ...

Bending light for safer driving; invisibility cloaks to come?

Optical cloaking allows objects to be hidden in plain sight or to become invisible by guiding light around anything placed inside the cloak. While cloaking has been popularized in fiction, like in the "Harry Potter" books, ...

Opto-mechanical non-reciprocity in fiber

The internet era that we live in depends completely on the transfer of vast amounts of information over optical fibers. Optical fibers are literally everywhere. In fact, the overall length of optical fibers installed on our ...

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