Bluetooth may not work well enough to trace coronavirus contacts

An experiment reveals how difficult it is to use Bluetooth on phones to determine if people have been in close enough contact to spread the coronavirus

Source:
https://www.newscientist.com/article/2243137-bluetooth-may-not-work-well-enough-to-trace-coronavirus-contacts/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home