Northwestern University says these are the world's smallest human-made flying structures, and they could be used for monitoring the environment, population surveillance or disease tracking.
The microchips used in cars are in short supply. Taiwanese Economy Minister Wang Mei-hua tells NPR that Taiwan's cutting-edge chipmakers have ramped up production to meet auto industry demand.
Proponents of the chips say they're safe and largely protected from hacking, but one scientist is raising privacy concerns around the kind of personal health data that might be stored on the devices.
Apple announced that most of its products might be open to attacks that could mine passwords and other sensitive data. The company said it is already working on patches to mitigate the flaw.
The problem could allow hackers to gain access to passwords and other sensitive data. The problem can be found in processors dating back more than two decades.