Editor'S Choice

Shedding Light on Newgrange: 5,000-Year-Old Sun Trap May Not Be All That it Seems

Shedding Light on Newgrange: 5,000-Year-Old Sun Trap May Not Be All That it Seems

Maybe the solstice sunlight-trapping “roof box” in Ireland’s ancient Newgrange stone monument is not a 5,000-year-old astronomical feature but rather a construct that is just 50 years old.

Breech end of 15cm K18

Breech end of 15cm K18

Breech end of 15cm K18 Here we see the breech assembly on the 15cm Kannon 18, which used a manually operated horizontally sliding breech. The left hand equilibrator is also seen, as are the complex mechanisms used to control the gun.

Civil War Naval History May 1863 - History

Civil War Naval History May 1863 - History

1 As requested by Secretary Mallory, the Confederate Congress enacted legislation & 34;To create a Provisional Navy of the Confederate States.& 34; The object of the act, as explained by Captain Semmes, was . without interfering with the rank of the officers in the Regular Navy, to cull out from the navy list, younger and more active men, and put them in the Provisional Navy, with increased rank.

Solved the mystery of the galaxy without dark matter

Solved the mystery of the galaxy without dark matter

Galaxies without dark matter are impossible to understand in the current theory of galaxy formation, as their role is critical in producing the collapse of gas that forms stars. In 2018, a study published in the journal Nature announced the discovery of a galaxy that lacked dark matter, which had an extraordinary impact, occupying the front pages of scientific journals.

New Findings at Royal Burials of Aegae Reveal Realities of the Past

New Findings at Royal Burials of Aegae Reveal Realities of the Past

The royal tombs of Aegae, which lie silently amid the Pieria mountains and the wide Aliakmon River in Greece, have attracted the palpable excitement of the archaeologists, from time to time revealing something hidden within the dense layers of the past.

Jack 'Pap' Papesh on B-17 Engine

Jack 'Pap' Papesh on B-17 Engine

Jack & 39;Pap& 39; Papesh on B-17 Engine Here we see Jack & 39;Pap& 39; Papesh on top of the engine nacelle of a B-17F or B-17G undergoing rather dramatic wing repairs.Pictures provided by Sgt. Robert S. Tucker Sr. (Member of: The American Air Museum in Britain Duxford ).Robert S. WWII Photo Book, Mighty 8th.