Heaviest Schrödinger cat achieved by putting a small crystal into a superposition of two oscillation states

Even if you are not a quantum physicist, you will most likely have heard of Schrödinger's famous cat. Erwin Schrödinger came up with the feline that can be alive and dead at the same time in a thought experiment in 1935. The obvious contradiction--after all, in everyday life we only ever see cats that are either alive or dead--has prompted scientists to try to realize analogous situations in the laboratory. So far, they have managed to do so using, for instance, atoms or molecules in quantum m...