Archimedes’ Screw – Principle and Application

The Archimedes’ screw, also known as the water screw , screw pump, Archimedean screw, or Egyptian screw , is a machine used to…

The History of the Gatling Gun

In April 1861, Richard Jordan Gatling watched hundreds of Union soldiers march through Indianapolis, ready to ride the rails to the front. In…

Walter Nowotny – German Luftwaffe Ace, Fw 190 and Me 262 pilot

Walter Nowotny German Luftwaffe Ace, Fw 190 and Me 262 pilot One of the highest scoring German aces (an Austrian, actually) almost ended…

The German Air Ace Who Scored 104 Aerial Victories and Survived Being Shot Down Four Times – Adolf Galland

Adolf Galland is often remembered as one of the most distinguished fighter aces of the Second World War. His remarkable career with the…

[Ace Profile] Hauptmann Hans-Joachim “Jochen” Marseille

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The story of Werner Mölders, the Luftwaffe fighter pilot who conceived the Finger-Four Formation

Share this article When the Spanish Civil War broke out in 1936, the Luftwaffe was a new air force, having been established in…

Bob Hoover, pilot who escaped POW camp by stealing a German plane

Bob Hoover was born on January 24, 1922, in Nashville, Tennessee. He enlisted in the Air Corps Branch of the Army National Guard…

Story of an ace: Ira “IKE” KEPFORD

LT Ira “IKE” KEPFORD When we talk about the aces of the Second World War, the name of Lieutenant Ira “Ike” KEPFORD is…

42-38078 / Sweet Pea | B-17 Bomber Flying Fortress – The Queen Of The Skies

Hungary’s skies, raid over Debrecen Marshalling Yards, September 21, 1944: “Sweet Pea”, a Boeing B-17G, tail number 238078 of the 2th Bomb Group’s…

The modern adjustable wrench

An adjustable spanner (UK and most other English-speaking countries), shifting spanner (Australia and New Zealand), English wrench (Turkey) or adjustable wrench (US and Canada) is any of various styles of spanner…

Lou Conter, last survivor of the USS Arizona in Pearl Harbor, dies at 102

Enlarge this image Lou Conter, pictured at the 75th anniversary of the Japanese attack on Pearl Harbor, in 2016, died on Monday. He…

The German Fighter Pilot Who Scored 237 More Victories Than the Leading Allied Ace

Gerhard Barkhorn was a legendary, although contentious, aviator who flew for the Luftwaffe  during World War II. Nonetheless, he earned a vast number…