Engineers who utilize seabed turbines to generate electricity through the use of sub-sea mounted systems, along the coastlines of Scotland, are transforming unrelenting tidal currents into dependable sources of clean electricity. Offshore of the Inner Sound of the Pentland Firth, bi-directional tidal currents now generate massive 1.5 MW turbines that symbolize the maturity of tidal...

Set it up wire-free or hardwire it to your existing doorbell.  By  Tabitha Britt Tabitha Britt Freelance Writer Tabitha Britt is a freelance writer and editor. Aside from reviewing dating apps and sex toys for Mashable, Tabitha is also the founding editor-in-chief of DO YOU ENDO — a digital magazine by individuals with endometriosis, for...

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