Editor'S Choice

Fokker M.22

Fokker M.22

Fokker M.22The Fokker M.22 was a Fokker biplane developed in the autumn of 1916 and accepted by the German army as a training aircraft with the designation Fokker D.V. Like all Fokker aircraft of this period, the M.22 suffered from low build quality, but it was a reasonably successful aircraft and was ordered in comparatively large numbers.

Curtiss O-39

Curtiss O-39

Curtiss O-39The Curtiss O-39 Falcon was a version of the O-1 Falcon two-seat observation aircraft that was powered by the Curtiss Conqueror engine. The original O-1 was powered by the Curtiss V-1150 engine, and later versions, with a 435hp engine, had a top speed of 141mph. The O-39 used the Curtiss V-1570-25 Conqueror engine, with the engine cowling and radiator taken from the Curtiss P-6E Hawk single seat fighter.

Latest advances in the archaeological exploration of Zafar

Latest advances in the archaeological exploration of Zafar

Zafar, the ancient capital of the kingdom of Himyar or Homerite kingdom, has been the central nucleus of archaeological explorations carried out in the last twelve years by a team from the University of Heidelberg (Germany). The group led by Dr. Paul Yule now presents the results of these investigations, which fill in many gaps in this unknown period in history.

Harper`s Ferry

Harper`s Ferry

John Brown, the fanatical abolitionist, had been in hiding since his activities in Bleeding Kansas in 1856, but was able to solicit funds from like-minded opponents of slavery for a new scheme. He believed that once this effort was begun, it would touch off a general slave rebellion in the South.In the summer of 1859, Brown and his followers established themselves on a farm near Harper& 39;s Ferry, Virginia, a small community at the confluence of the Potomac and Shenandoah rivers not far from Washington, D.

Ancient Roman school found in Egypt

Ancient Roman school found in Egypt

In the Dakhla Oasis, west of the River Nile, where the ancient city of Trimithis (now Ahmeira) was located, a 1,700-year-old school has been discovered. The enclosure, attached to a large mansion, contains a series of benches on which the students sat, as well as engravings on the walls with texts in Greek that show that it was indeed an educational center.

Why does some US banknotes have abstract art on the reverse instead of detailed scenes of history/monuments?

Why does some US banknotes have abstract art on the reverse instead of detailed scenes of history/monuments?

Most US paper currency has detailed images of national monuments or historical scenes on the reverse side. Why wasn't the same treatment given to all currency, such as the $500 bill? It simply feat…