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A hoverboard (or hover board) is a fictional levitating board used for personal transportation, first described in science-fiction, and made famous by the appearance of a skateboard-like hoverboard in the film Back to the Future Part II. Many attempts have been made to invent a functioning hoverboard.
In February 2012, a provisional patent application was filed for the Hovertrax. [3] The patent was granted in 2014. The Hovertrax was released to the public in 2013.
A self-balancing scooter (also hoverboard, self-balancing board, segway, [1] swegway or electric scooter board) is a self-balancing personal transporter consisting of two motorized wheels connected to a pair of articulated pads on which the rider places their feet. The rider controls the speed by leaning forward or backward, and direction of ...
By RYAN GORMAN The hoverboards shown in "Back to the Future" are finally a reality -- if you have the cash. Inventors Jill and Greg Henderson, from California, have announced their hoverboard one ...
The hoverboard is 145 cm long and 76 cm wide, is made of aerospace grade composite materials and weighs up to 82 kg, depending on the version. It is equipped with 36 high power electric ducted fans that spin at 45,000 rotations per minute and generate up to 272 hp.
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. [545] [546] [547] 2005: YouTube, the first popular video-streaming site, was founded
Flowcharts are used in analyzing, designing, documenting or managing a process or program in various fields. The second structured method for documenting process flow, the "flow process chart", was invented by Frank Gilbreth to members of ASME in 1921 as the presentation "Process Charts—First Steps in Finding the One Best Way". [173]
1890s – Bike boom sweeps Europe and America with hundreds of bicycle manufacturers in the biggest bicycle craze to date; 1890 - The City and South London Railway (C&SLR) was the first deep-level underground "tube" railway in the world, [31] [note 1] and the first major railway to use electric traction; 1893 - Recumbent bicycles invented.