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The Philippine Navy’s (PN) capability to build its own warships, especially the small and hard-hitting fast-attack interdictor craft missile (FAIC-M), gained major headway after Israel Shipyards Ltd. transferred the documents and keys of a newly-refurbished shipyard in Cavite to its possession on Tuesday. A statement issued by Navy spokesman Capt.…
National Research Institute for Earth Science and Disaster Resilience, Tsukuba, Japan We analyzed strong-motion records at the ground and borehole in and around the Kanto Basin and the seafloor in the Japan Trench area from three nearby offshore earthquakes of similar magnitudes (Mw 5.8–5.9). The seafloor strong-motion records were obtained from S-net, which was established to enhance tsunami and earthquake early warnings after the 2011 great Tohoku-oki earthquake disaster. The borehole records were obtained from MeSO-net, a dense network of seismometers installed at a depth of 20 m in th...
(Courtesy photo) Dec. 12, 1955: First prototype of hovercraft patented by British engineer Christoper Cockerell. A hovercraft, also known as an air-cushion vehicle or ACV, is an amphibious craft capable of travelling over land, water, mud, ice, and other surfaces. Hovercraft use blowers to produce a large volume of air below the hull, or air cushion, that is slightly above atmospheric pressure. The pressure difference between the higher pressure air below the hull and lower pressure ambient air above it produces lift, which causes the hull to float above the running surface. For stabili...