Search results
Results from the WOW.Com Content Network
A normal pickaxe handle is made of ash or hickory wood and is about 3 ft (91 cm) and weighs about 2.5 lb (1.1 kg). British Army pickaxe handles must, by regulation, be exactly 3 ft (91 cm) long, for use in measuring in the field. [citation needed] New variant designs are: With a plastic casing on the thick end. Made of carbon fibre [citation ...
2004: First podcast, invented by Adam Curry and Dave Winer, is a program made available in digital format for download over the Internet and it usually features one or more recurring hosts engaged in a discussion about a particular topic or current event. [544] [545] [546] 2005: YouTube, the first popular video-streaming site, was founded
It was invented by American scientist Joseph Henry in 1831. [64] 1831 Doorbell (electric) A doorbell is a signaling device commonly found near a door. It commonly emits a ringing sound to alert the occupant of the building to a visitor's presence. The electric doorbell was invented by Joseph Henry in 1831. [25] [65] 1833 Sewing machine (lock ...
Pages in category "American inventions" The following 200 pages are in this category, out of approximately 829 total. This list may not reflect recent changes .
Quizlet is a multi-national American company that provides tools for studying and learning. [1] Quizlet was founded in October 2005 by Andrew Sutherland, who at the time was a 15-year old student, [ 2 ] and released to the public in January 2007. [ 3 ]
Main page; Contents; Current events; Random article; About Wikipedia; Contact us
The following articles cover the timeline of United States inventions: . Timeline of United States inventions (before 1890), before the turn of the century Timeline of United States inventions (1890–1945), before World War II
As a simple but effective tool, mattocks have a long history. Their shape was already established by the Bronze Age in Asia Minor and ancient Greece. [5] According to Sumerian mythology, the mattock was invented by the god Enlil. [6] Mattocks (Greek: μάκελλα) are the most commonly depicted tool in Byzantine manuscripts of Hesiod's Works ...