Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access ...

Make a round friendship bracelet or anklet using Kumihimo ... finished take each of turquoise threads off the loom and tie them in a knot right up next to the braid. Then repeat with the cream ...

[picture at end to help illustrate] While tying optical knots is still a technology in its infancy -- they were only discovered about two decades ago -- it has several potential applications.