Watch this super-speedy 3D printer make objects suddenly appear. Log in for two more free articles, or subscribe now for unlimited online access. One obvious type of network links each node with its nearest neighbors, in a pattern like a chess board or chicken wire. Research has demonstrated people who meet in an online environment are much quicker to get to know each other. Skip to primary content. A new Harry Potter—themed cryptocurrency is like a more private version of Bitcoin.
The Strength of Absent Ties:
First Evidence That Online Dating Is Changing the Nature of Society
How Should Cities and Regions Respond? If marriages were random, this should increase the number of interracial marriages, but not by the observed amount. They might arrange dates with co-workers, or bump into random singles in bars or nightclubs. These loose connections turn out to be extremely important. The Future of Education