The data acquisition system for the NSF–DOE Vera C. Rubin Observatory LSST Camera starts right at the back of the focal plane, a composite of 189 digital sensors used to take night-sky images, plus several more used to line up...
This animation shows how krypton (red) is removed from xenon gas (blue) by flowing the combined gases through a column of charcoal (black specks). Both elements stick to the charcoal, but krypton is not as strongly attached and gets swept...