A team of European researchers led by Tallinn University of Technology has taken a unique approach to driving the robots.

Spiralis says its energy converter is inspired by seashells but built to be resilient and durable. A screw-like tidal energy converter design built by UK-based Spiralis Energy is now a step closer ...

David Edwards has spent over a decade reporting on social justice, human rights and politics for Raw Story. He also writes Crooks and Liars. He has a background in enterprise resource planning and ...

The ancient Greeks figured out how to do it without electricity using something called Archimedes’ screw, or the Archimedean screw. The story of this technology begins long before the birth of ...

Benjamin Britten’s The Turn of the Screw, based on Henry James’s ghost story, is – usually – a taut, tense and terrifying opera, concentrated into just seven singers and an orchestra of 13.

Always start with the most gentle means of “persuasion,” because it’s much more difficult to remove a broken screw. Sanders recommends extra caution for certain materials. “If the surface ...

This program is useful for visualizing approximations of energy band diagrams, and performing back-of-the-envelope calculations of their important parameters. Energy bands can be modeled at varying ...

A final design has been produced for an Archimedes Screw hydro electric scheme in Inverness. Highland Council has been planning the project for a number of years. Its final design - which ...