Ryugu, a near-Earth asteroid, was created 4 billion years ago in the outer solar system. According to a recent investigation, the asteroid separated from a bigger body and moved in the direction of Earth.
En route to record-breaking X-rays, SLAC’s Cryogenic team built a helium-refrigeration plant that lowers the LCLS-II accelerator to superconducting temperatures.
How quickly a battery electrode decays depends on properties of individual particles in the battery – at first. Later on, the network of particles matters more.