Advanced thermography (b) integrates spectral-directional models to better interpret the nature of thermal radiation, while conventional thermography (a) assumes the incoming radiation as gray-diffuse ...

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Researchers have cracked a fundamental optical challenge: how to control both angle and wavelength of light independently—a ...

The image above, provided by NASA, highlights how all three heat-transfer methods (conduction, convection, and radiation) work in the same environment. What is Conduction?

New York City and the surrounding area saw the first heat wave of 2025 this week, as summer officially begins. Temperatures soared into the 90s Sunday and stayed there for days. Here's everything ...

Several people attending an outdoor high school graduation ceremony in New Jersey during the widespread heat wave in the U.S. were taken to the hospital, while dozens more were treated at the ...

Relief is finally ahead for some as a dangerous heat wave begins to relinquish its grip. Here's who will see cooler temperatures first.

Extreme heat is making air pollution worse, scientists say. And President Trump’s regulatory rollbacks could drive air pollution even higher.

Extreme humidity and triple-digit temperatures are affecting around 250 million people across the United States. Here's the science behind the heat dome that’s stifling the nation.

Indiana is experiencing a severe heat wave due to what is called a heat dome. Here's what to know.

A heat dome is affecting much of the central and eastern U.S., creating high levels of heat and humidity. What to know in Tennessee.

A heat wave is on the way to the Pittsburgh area and will soon blanket the region with extremely hot temperatures in the 90s and "feels like" temperatures over 100 degrees.