Area 404 is a 22,000-square-foot lab with a scanning electron microscope, 60,000-PSI of waterjet cutting power, and more giant machines.
If you’re a heavy user of Facebook, Messenger, or Instagram, you’d probably never guess that on the first floor of a building at the social networking giant’s Silicon Valley campus, behind a key-card access door that grants entry only to a select few people, is a scanning electron microscope.
