If you do go with MH/HPS grow lights, you definitely want to make sure you’re getting the exact right lights for your space so you don’t pay for more light than you really need. HID lighting (HPS in particular) has another problem in that it’s much less popular than a it used...
Lockheed SR-71 Blackbird Bell X-2 Starbuster Lockheed YF-12 Mikoyan-Gurevich MiG-25 Foxbat Mikoyan-Gurevich MiG-31 Foxhound 1. NASA X-43 The X-43, an experimental aircraft, holds the distinction of being not only the fastest fighter jet but the fastest aircraft ever built period,...
The décor in the 747 lounge is a vaguely horrible memory, but burnt-orange sectional sofas weren’t the only aesthetic transgression to come out of Seattle during that era. There was the 747SP. This short-body, long-range version of the 747 was as economical as it was elegant (that is...
The Lockheed SR-71A Blackbird reconnaissance aircraft prepares for flight. The Blackbird parked at the Steven F. Udvar-Hazy Center once flew from Los Angeles to Washington, D.C., in one hour, four minutes and 20 seconds. © George Hall/Corbis If ramjets are so fiddly, then why bothe...
Though there are some exceptions in such circumstances, such as the SR71Blackbird has set the record by flying over 85,000 feet at a velocity of 2100 miles per hour, it’s an exception, and most flights don’t even think of creating such records. Because in most situations, it has prov...
Pratt & Whitney recently confirmed it is developing a hypersonic engine called the Metacomet based on the J58 engine that powered the SR-71 Blackbird spy plane to a record speed of around Mach 3.4 in the 1970s. Meanwhile Reaction Engines is testing key parts of its SABRE (synergetic...