http://www.migflug.com/jetflights/xb-70-valkyrie-the-mach-3-1-bomber.html We have seen many military aircraft (and a few civilian) capable of flying at supersonic speed. Few have flown faster than mach 2 and even fewer have gone past the three-times-the-speed-of-sound level. But the aircraft that you will be reading about in this article was a part of an even smaller group of aircraft … More Mach 3 Bomber Valkyrie – The bomber with SIX engines
The Norden Mk. XV, known as the Norden M series in Army service, was a bombsight used by the United States Army Air Forces (USAAF) and the United States Navy during World War II, and the United States Air Force in the Korean and the Vietnam Wars. It was the canonical tachometric design, a system … More Norden bombsight
25 years: A technology timeline By GCN Staff Dec 06, 2007 Main story | 25 and counting Peter Tseronis | And the Web is hardly old enough to drive Alan Balutis | Technology’s advance is only speeding up Emory Miller | Two heads, one vision This timeline excludes a few technologies that might seem … More 25 years: A technology timeline
The defining photos of 2017 were of protest
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Guy Brandon February 13, 2017 Bitcoin’s capacity is currently seven transactions per second. If cryptocurrency is going to be widely adopted, it needs a different approach. Blockchains are a remarkable invention. They work by sharing every transaction with every member of the network. It’s easy to check an operation but hard to add a new … More Can The Blockchain Scale?
Nguồn Zaria GorvettBBC Future 15 tháng 11 2017 Chia sẻ trên Facebook Chia sẻ trên Twitter Chia sẻ trên Messenger Chia sẻ trên Email Chia sẻ Bản quyền hình ảnhOTHER Khi tòa nhà Ingalls ra mắt ở Cincinnati, bang Ohio vào năm 1903, không ai tin rằng nó sẽ trụ vững một thế kỷ sau … More Liệu có xây được nhà chọc trời bằng gỗ?
“Happiness Is Not a Goal, It Is a By-Product” 1. Life is about making an impact, not making an income. –Kevin Kruse 2. Whatever the mind of man can conceive and believe, it can achieve. –Napoleon Hill 3. Strive not to be a success, but rather to be of value. –Albert Einstein 4. Two roads … More Famous Quotes