What is an Entrenching Tool?

Introduction An entrenching tool (UK), or intrenching tool in the US vernacular, E-tool, or trenching tool is a digging tool used by military forces for a variety of military purposes. Survivalists, campers, hikers and other outdoors groups have found it to be indispensable in field use. Modern entrenching tools are usually collapsible and made using… Read More

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What was the Philadelphia Experiment?

Introduction The Philadelphia Experiment is an alleged military experiment (many say urban legend) supposed to have been carried out by the US Navy at the Philadelphia Naval Shipyard in Philadelphia, Pennsylvania, United States, sometime around 28 October 1943 (during World War II). The United States Navy destroyer escort USS Eldridge was claimed to have been… Read More

What was the Claw of Archimedes?

Introduction The Claw of Archimedes (Ancient Greek: Ἁρπάγη, romanised: harpágē, lit. ’snatcher’; also known as the “iron hand”) was an ancient weapon devised by Archimedes to defend the seaward portion of Syracuse’s city wall against amphibious assault. Background Although its exact nature is unclear, the accounts of ancient historians describe it as a sort of crane… Read More