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National Countdown Day is celebrated on March 21 every year. It ticks down the minutes, seconds, or days to events — big or small.
On September 23, 2011 National Semiconductor, a semiconductor manufacturer specializing in analog devices and components, became a part of Texas Instruments Corporation as its division and representative office in Silicon Valley.
The National Institute of Standards and Technology (NIST) developed an instrument to measure nanodistance. The "nanoruler" made of silicon makes it possible to estimate the size of micro-objects with 0.3 nanometers accuracy which is comparable to the diameter of a radon atom.
On October 4, 1675 Christiaan Huygens (Dutch mechanic, physicist, mathematician, astronomer and inventor) patented the pocket watch.
On November 21, 1905, Albert Einstein published his article “Does the Inertia of a Body Depend Upon Its Energy Content?” in “Annalen der Physik” journal.
The fundamental three-volume work of Isaac Newton "Philosofiae naturalis principia mathematiña", which kept the foundations of modern physics and astronomy, was first published on July 5, 1687.
On March 4, 1877, American inventor Emile Berliner patented a voice transmitter containing charcoal powder placed between two metal plates. That was what we call now “microphone”.
On 24th May 1844, Samuel Morse tested a message transmission from Washington to Baltimore at a distance of about 60 km. It was a biblical text “What Hath God Wrought”.
The British Broadcasting Corporation (BBC), the national broadcaster of the United Kingdom, was created on October 18, 1922. Headquartered at Broadcasting House in London, it is the world's oldest national broadcaster, and the largest broadcaster in the world by number of employees.
USB (Universal Serial Bus) appeared by computer standards quite a long time ago - the version of the first approved variant of the standard appeared on January 15 in 1996.
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