How To Play Tag With Great White Sharks

The OCEARCH operations and research teams are heading out to the western North Atlantic (US East Coast) to catch, tag, retrieve data/samples and release sharks for the 17 Projects, 25 Principal Investigators. Seventeen (17) Institutions will be collaborating on data and specimens from the sharks that have been retrieved onboard the ships starboard platform. In…

Underappreciated Engine Components – Bearings

A LETTER FROM JEFF BEZOS, CEO, BLUE ORIGIN   March 20. 2017 9:04 AM Although the BE-4 turbopump is smaller than your refrigerator, it generates 70,000 horsepower from a turbine running at nearly 19,000 revolutions per minute that pumps cryogenic propellants to pressures just under 5,000 pounds per square inch. To react the forces generated…