A micrometer is one thousandth of one millimeter.
In an ultracapacitor, the distance between the ions and opposite-charged electrode is so tiny it's measured in nanometers (one-thousandth of a micron).
These high-energy gamma rays, detected by Fermi’s Large Area Telescope (LAT), have wavelengths one-thousandth the size of an atomic nucleus.
Because these tubes are a thousandth of the diameter of carbon fibres, they can slip into the microscopic Spaces between them.
Once that has happened, the water simply evaporates and the desired electronic sandwich is left behind in a thousandth of the time that it would take to make it using vacuum deposition.
"This is basically a new method to render dark galaxies visible," she said, adding that her technique should be able to detect dim dwarf galaxies as small as a thousandth the mass of the Milky Way.
