Drilling is performed from the topsides through the hollow cylinder hull; and drilling, import/export and production risers are passed through the enclosed hull, as well. The whole spar facility ...

Researchers from the National University of Singapore (NUS) have found that non-invasive magnetic pulses can enhance the ...

A single microtubule contains 10 to 15 protofilaments (13 in mammalian cells) that wind together to form a 24 nm wide hollow cylinder. Microtubules are structures that can rapidly grow (via ...