A new map of cosmic expansion suggests that dark energy evolves over time, hinting that the universe doesn’t work the way we ...

(Alternatively the complete emission spectrum may be observed by feeding the amplifier output on to a chart recorder and driving the spectrometer as in conventional optical spectroscopy.) ...

This important metric, often found on weather apps alongside temperature readings, tells us how strong the sun's UV radiation is ... consider that it has broad-spectrum protection, which refers ...

defects can be altered over geologic time in the earth or by exposure to heat or radiation during color treatment. So-called optical defects (or optical centers) cause absorption in the visible or ...

As a result, strategic radiation-hardened electronics must be able to operate in hostile radiation environments, as well as in the natural radiation environment of space. A high-altitude EMP ...

The Canadian-built Atacama Cosmology Telescope in the high Chilean desert mountains, which has just given up its final batch ...

Chappell Roan tops this week's Official Trending Chart with The Giver. The Missouri-born pop auteur also looks set to replace herself at the top of this week's Official Singles Chart, with country ...

Our radiation oncologists use the latest technology available for radiation therapy. It’s important to understand how radiation therapy fits into your treatment plan so you can make choices about your ...

Chemotherapy and radiation therapy are both treatments for cancer – the uncontrolled growth and spread of cells to surrounding tissues. Chemotherapy, or “chemo,” uses special drugs to shrink ...