3 ms·
Reading the article, it appears that the ring only lights up when near the device worn on the man's forearm, but I'm not sure at what distance the illumination
by D9u 13y ago
Reading the article, it appears that the ring only lights up when near the device worn on the man's forearm, but I'm not sure at what distance the illumination occurs.
- monsterix 13y agoYes, glowing when hands are close suggests that the two are 'zinged'. Triggering a color when the partner is close within a few feet after a period of absence would mean 'he is here'.