If you ask most women, they would say they're always up for wearing a nice necklace. If you ask most men, they'd assert that they're happy to gift one to the woman they love. But chances are you wouldn't be as inclined to wear or give a vibrating social distancing necklace. You're probably wondering what on God's earth that is (as I was when I first read about it on the Smithsonian's website). You may remember that Italy was one of the first countries to get buffeted by the coronavirus. As of this writing, it has led to nearly 33,000 deaths in the European country. Even though the lockdown measures there have largely been eased, businesses big and small are taking steps to curb the virus's spread, and museums are no exception. At Florence Cathedral, electronic devices worn on lanyards will notify visitors if they’re standing too close to their neighbors. How? By vibrating and lighting up, much like a noisy cell phone or a pager you'd ge...