The Greenwich Foot Tunnel. The section seen here ... Typically, they're not deep enough to get under the Thames. The extravagant exception is the Thames Tideway sewer. Recently completed, this ...

Tunnel boring machines have been in operation for over 200 years and they operate on the same basic principles today as they ...

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Lab: Vienna University of Technology (TU Wien), Austria What: Using recovered nickel from spent batteries to create a nanocatalyst that produces methane Stage: TRL-1 Battery waste poses a serious ...