Electron microscopes are used to uncover the structure of proteins, like that of the COVID-19 spike protein used to develop vaccines. For nearly a century, scientists have known that phase shifting an electron beam could improve the method. They’ve finally found a reliable way to do it. #lasers

Ultrabright laser brings details of proteins into focusFor nearly a century, scientists have known that phase shifting an electron beam could radically improve electron microscopy. They’ve finally found a reliable way to do it.physicstoday.aip.org