What’s hot in science and engineering? Check out NSF research news for the day of April 28, 2022

artist's conception of the single-crystal alkali antimonides photocathode

Thu, 28 Apr 2022
Research team develops more efficient photocathodes

Breakthrough could lead to better particle accelerators and novel materials imaging

Photocathodes emit electrons when illuminated and are a vital component of particle accelerators. But the potential of photocathodes is limited by the properties of crystalline. That is, until a team of …

Thu, 28 Apr 2022
Rewriting the history books: Why the Vikings left Greenland

Increasing aridity contributed to Norse abandonment of settlements in the 15th century

One of the great mysteries of late medieval history is why the Norse, who established successful settlements in southern Greenland in 985, abandoned them in the early 15th century.

The consensus view has long been that the colder temperatures of the Little Ice Age …

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Thu, 28 Apr 2022Research team develops more efficient photocathodes

Thu, 28 Apr 2022Rewriting the history books: Why the Vikings left Greenland

Thu, 28 Apr 2022
Research team develops more efficient photocathodes

Thu, 28 Apr 2022
Rewriting the history books: Why the Vikings left Greenland