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Grove's 1839 gas voltaic battery diagram. In 1829, at the Royal Institution, Grove met Emma Maria Powles. [dubious – discuss].They married in 1837. The couple embarked on a tour of the continent for their honeymoon. This sabbatical offered Grove an opportunity to pursue his scientific interests and resulted in his first scientific paper [4] suggestin
Ultimately, creating an easy to use video streaming platform that wouldn't stress out the new internet users of the early 2000s. [14] The first YouTube video, titled Me at the zoo, was uploaded on April 23, 2005, and shows co-founder Jawed Karim at the San Diego Zoo and currently has over 120 million views and almost 5 million likes.
The Baghdad Battery is the name given to a set of three artifacts which were found together: a ceramic pot, a tube of copper, and a rod of iron. It was discovered in present-day Khujut Rabu , Iraq in 1936, close to the ancient city of Ctesiphon , the capital of the Parthian (150 BC – 223 AD) and Sasanian (224–650 AD) empires, and it is ...
The NCC improved Gassner's model by replacing the plaster of Paris with coiled cardboard, an innovation that left more space for the cathode and made the battery easier to assemble. It was the first convenient battery for the masses and made portable electrical devices practical, and led directly to the invention of the flashlight.
Jawed Karim was born on October 28, 1979, in Merseburg, East Germany, to a Bangladeshi father and a German mother. [3] His father Naimul Karim (Bengali: নাইমুল করিম) is a Bangladeshi who is a researcher at 3M, and his mother, Christine, is a German biochemistry scientist at the University of Minnesota. [4]
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
The timeline begins at the Bronze Age, as it is difficult to give even estimates for the timing of events prior to this, such as of the discovery of counting, natural numbers and arithmetic. To avoid overlap with timeline of historic inventions , the timeline does not list examples of documentation for manufactured substances and devices unless ...
Daniell cells, 1836. The Daniell cell is a type of electrochemical cell invented in 1836 by John Frederic Daniell, a British chemist and meteorologist, and consists of a copper pot filled with a copper (II) sulfate solution, in which is immersed an unglazed earthenware container filled with sulfuric acid and a zinc electrode.