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.
Catching a nearby supernova would be a once-in-a-lifetime experience that could give scientists a glimpse into physics they could never recreate on Earth.