This is a photo of the Atlantis AK1000, a 130 ton, 74-foot-tall tidal turbine that will be installed underwater off the cost of Scotland. It is designed to supply electrical power for 1,000 households.
Sea water, which is 832 times denser than air, gives a 5 knot ocean current more kinetic energy than a 350 km/h wind; therefore ocean currents have a very high energy density. Hence a smaller device is required to harness tidal current energy than to harness wind energy.
Tidal current energy takes the kinetic energy available in currents and converts it into renewable electricity. As oceans cover over 70% of Earth’s surface, ocean energy (including wave power, tidal current power and ocean thermal energy conversion) represents a vast source of energy, estimated at between 2,000 and 4,000 TWh per year, enough energy to continuously light between 2 and 4 billion 11W low-energy light bulbs.
Both the U.S. and the U.K., for example, have enough ocean power potential to meet around 15% of their total power needs.
Good: The World's Largest Tidal Turbine, Unveiled
Ocado robots zip around simultaneously filling orders without bumping into each other in this fascinating look at a modern warehouse.
UC Berkeley researcher and artist Eric Paulos and his students continue their explorations of “cosmetic computing” with a new prototype and paper about “Human Hair as Interactive Material.” If you’d like to coif your own computational locks, they’ve posted a how-to guide on Instructables. From their research page: Human hair is a cultural material, with […]
South Wales Police announced they were able to access a WhatsApp user’s photos through a backdoor, then extract fingerprint data from a picture of a weed dealer’s hand to help convict 11 involved people.
Businesses big and small use Microsoft Excel for everything from data visualization to bookkeeping, and chances are you’ve already had some exposure to this ubiquitous tool. Whether you’re looking to improve your hiring potential or boost your Excel efficiency, the Ultimate All-Level Excel Bootcamp can get you Excel-savvy with nearly 70 hours of training, and it’s […]
The workday is long, and inevitably, you’re going to find yourself needing to take a break from the daily grind. With Mini Materials Miniature Cinder Blocks, you can take some time for yourself and decompress by turning your desk into a miniature construction site. They’re available today in the Boing Boing Store for $22.49. Handmade […]
Handheld radios might seem a bit archaic, but in an emergency situation, few things will keep you as reliably connected to the outside world. This Emergency Multi-Function Radio & Flashlight takes the utility of the tried-and-true radio and combines it with a powerful flashlight and self-sufficient energy system. It’s available in the Boing Boing Store for […]