stone aerospace is now integrating a prototype submersible called artemis 4.3 m long, 1,270 kg with the valkyrie technology to produce spindle. this phase will use a full-scale version of the cryobot which will melt its way to an antarctic subglacial lake —lake vostok— to collect samples, and then resurface.
osborne reef is an artificial reef off the coast of fort lauderdale, florida, constructed of concrete jacks in a 50-foot 15 m -diameter circle.. in the 1970s, the reef was the subject of an ambitious expansion project utilizing over two million old and discarded tires.the project ultimately failed, and the 'reef' has come to be considered an environmental disaster—ultimately doing more .
in the south west pacific area during the emergency of the japanese advance throughout southeast asia the dutch east indies and the philippines even the chartering arrangements were often vague as ships arriving in australia were retained by united states forces in australia usfia for operations in australia.
usns general hoyt s. vandenberg t-agm-10 originally named uss general harry taylor ap-145 was a general g. o. squier-class transport ship in the united states navy in world war ii named in honor of u.s. army chief of engineers harry taylor.she served for a time as army transport usat general harry taylor, and was reacquired by the navy in 1950 as usns general harry taylor t-ap-145 .
paint may be even older. in 2003 and 2004, south african archeologists reported finds in blombos cave of a 100,000-year-old human-made ochre-based mixture that could have been used like paint. further excavation in the same cave resulted in the 2011 report of a complete toolkit for grinding pigments and making a primitive paint-like substance.
brian skerry born september 27, 1961 is a photographer and photojournalist specializing in marine wildlife and underwater environments. since 1998 he has been a contributing photographer for national geographic magazine. in 2014 he was named a national geographic photography fellow. skerry is a founding fellow of the international league of conservation photographers, the explorer-in .
surface marker buoys are floated on the surface during a dive to mark the diver's position during drift dives, night dives, mist or disturbed sea conditions such as beaufort force 2 or greater. the buoy lets the dive boat follow the divers and highlights their position to other boat traffic which makes it easier to stay clear. in some waters divers may be required to use a float to mark their .
1967 – south african airways flight 406, a vickers viscount 818, crashes into the sea while on approach to east london, south africa, killing all 25 passengers and crew on board. the pilot of the plane suffered a fatal heart attack while on approach and the co-pilot was unable to regain control of the aircraft.
cambridge vertical vibrograph, numbered c94063, probably used in the applied physiology department at the london school of hygiene and tropical medicine, by the cambridge instrument company ltd, cambridge, england, 1927
the earliest vertical-wheel in a tide mill is from 6th-century killoteran near waterford, ireland, while the first known horizontal-wheel in such a type of mill is from the irish little island c. 630 .