The F-15 was born from the difficult lessons learned during the Vietnam War. In the late 1950s, Air Force planners were confident that the advent of powerful new radars and long-range air-to-air missiles... continue reading
posted by eric3579 1 year 1 week ago • 83 views • 14:21search results matching tag: long range
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At 2994 meters on a never-before-surveyed seamount north of Johnston Atoll, the team made a thrilling discovery — the chance to examine an animal spotted for the very first time in the Pacific Ocean!... continue reading
posted by newtboy 1 year 1 month ago • 213 views • 1:46Red sprites, secondary jets and newly discovered green afterglow called "ghosts" triggered by red sprites. A dozen vibrant red sprites were recorded on this evening and only two events had the green afterglow.... continue reading
posted by newtboy 3 years 9 months ago • 984 views • 2:32YouTube description: Until the mid 1950’s, small short-range airliners like the twin engined IL-14 were really the only type the Soviet Union produced. And that meant flying across the country’s... continue reading
posted by Aard Vark (oritteropo) 5 years 3 months 4 weeks ago • 426 views • 10:05YouTube description: Let's find out how they put 3D images into glass objects. Known as a 'Bubblegram', vitrography or sub-surface laser engraving, this technology has been around for a very long time... continue reading
posted by Aard Vark (oritteropo) 6 years 1 week ago • 308 views • 6:28The Lahti L-39 is a Finnish 20 mm anti-tank rifle used during the Second World War. It had excellent accuracy, penetration and range, but its size made transportation difficult. It was nicknamed "Norsupyssy"... continue reading
posted by Mordhaus 6 years 11 months 1 week ago • 134 views • 10:14I made this bow and arrow using only primitive tools and materials.The bow is 1.25 m (55 inches) long and shoots 60 cm (2 feet) long arrows. I don't know the draw weight - safe to say greater than 15 kg... continue reading
posted by Mordhaus 8 years 3 weeks ago • 621 views • 5:54A bug in Google Chrome allows malicious websites to turn users’ computers into clandestine listening devices, a programmer discovered. Tal Atler, a web developer in Israel, discovered that once you... continue reading
posted by truth-is-the-nemesis 1 decade 2 months 3 weeks ago • 47 views • 4:06- 1