For decades, scientists have struggled to achieve the necessary precision for the ampere. But a device called the skipper CCD could spark an advance in measurement science.
From Oct. 26-31, a series of Dark Matter Day events will highlight the global search for dark matter, which, together with dark energy, makes up about 95% of the mass and energy in our universe.
In theory, the particles could reveal whether a reactor is building up plutonium for weapons. US energy experts are starting to take the idea seriously.
Scientists stay inspired in their sometimes tedious task of inspecting photographs taken in the Dark Energy Survey’s ambitious cataloging of one-eighth of the sky.