Browsing: Inventions

A Brief History On this date, September 28, 48 BC, Pompey the Great was assassinated on the orders of King Ptolemy of Egypt after landing in Egypt.  Although we know of this incident, many open problems concern Ancient Egypt, and some of them may never be solved.  Egyptian archaeology is in a state of constant transition, with much of the terminology and chronology in dispute.  The archaeological record is incomplete, with countless relics and artifacts missing or destroyed.  New archaeological discoveries can call into question previous conclusions about Ancient Egypt.  Furthermore, there are internal problems of overall cohesion of various…

A Brief History On September 4, 1888, George Eastman patented the first camera that used rolls of film and with it, the trade name Kodak.  For the next 100+ years this was the way we took photographs, until digital photography has made film cameras all but obsolete.  Many products that were marvels in their day have become obsolete within a matter of decades, or within 100 years or so.  Here we list 10 triumphs of technology that (relatively) quickly became obsolete.  What items would you include on the list? Digging Deeper 10. Roll Film Camera, 1888-1988. When the first successful…

A Brief History On August 29, 1831, Michael Faraday of England discovered electromagnetic induction, the interaction of electricity and magnetism that allows the creation of the electric induction motor and the generator, among other things.  The application of this knowledge ushered in the Electrical Age of Man, as modern appliances became possible utilizing this basic knowledge. Digging Deeper In conjunction with other scientists of the time, notably James Clerk Maxwell of Scotland, Faraday’s work also led to the development of all sorts of meters, welding machines, electric induction ovens, wireless energy transfer, electric clamping, electric seals and others.  Linear magnetic…

A Brief History On August 26, 2014, we ran a list of 10 Extremely Effective Weapons That Don’t Require Gunpowder or Explosives.  This year, we will propose another 10 such weapons that have proven themselves on the battlefield or in self defense against people and animals.  What weapons would you add to the list?  (Note: The order listed has no significance.) Digging Deeper 10. Ram, 1st Use Unknown. Useful against enemy fortifications, this can be a simple log carried by 1 or more people and used to batter down doors, walls, vehicles, ships and anything else in the way.  For…

A Brief History On July 20, 1304, the forces of King Edward I of England successfully took Stirling Castle during the First War of Scottish Independence.  Although the Scots would ultimately maintain their independence, key to the English victory was the intimidating-sounding “Warwolf,” allegedly the largest trebuchet ever made.  This mighty siege engine catapulted rocks or other projectiles up to 300 pounds and was capable of battering down the walls of any castle.    Digging Deeper Intimidated by the weapon, the Scots tried to surrender the castle, but Edward (known as “Longshanks”) wanted to see the effectiveness of the 300…

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