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...
This photo shows a small fuel cell inside of a sample chamber at SLAC's SSRL. This experimental station allows scientists to study fuel cells under more realistic conditions.
The largest digital camera ever built for ground-based astronomy, the 3.2-gigapixel Legacy Survey of Space and Time Camera is the size of a small car and weighs more than 3 tons.