101
#Today in 1974, on a flight to the Farnborough Air Show outside London, Maj. James Sullivan and Maj. Noel Widdifield flew the Lockheed SR-71 Blackbird from New York to London in 1 hour, 54 minutes, 56.4 seconds, still a world record for that route buff.ly/3DB6Ns8
102
90 years ago #Today, Amelia Earhart became the first woman to fly non-stop across the United States ubm.io/2wBNM9G
103
53 years ago #Today, the Apollo 12 crew landed on the Moon. This is the Intrepid Lunar Module prior to the descent. The largest crater is Ptolemaeus go.nasa.gov/2fV0eoE
104
#Today in 2015, SpaceX flight 20 (also known as Orbcomm OG2 M2) was the first in which the booster of an orbital rocket made a successful return and vertical landing
[full coverage: buff.ly/3WtIg0y]
105
Born 231 years ago #Today, Charles Babbage was a polymath, a mathematician, a philosopher, an inventor and a mechanical engineer: he originated the concept of digital programmable computer bit.ly/2l0v7gk
106
#Today in 1983, Microsoft Word was first released
[read more: buff.ly/3F94vnf]
108
Born 451 years ago #Today, Johannes Kepler was a key figure in the 17th century scientific revolution. He is best known for his laws of planetary motion which provided one of the foundations for Newton's theory of gravitation bit.ly/22Ujdnc [gif: ow.ly/g6dC30n741x]
109
41 years ago #Today, the IBM PC was introduced: it quickly became market's standard de facto [read more: bit.ly/2bospiQ]
110
191 years ago #Today, the HMS Beagle set sail from Plymouth: Charles Darwin was 22 bit.ly/2iBI24q #science #explore
111
139 years ago #Today, the Krakatoa volcano erupted with the most violent blast known in the recorded history bit.ly/1PVUt6e
112
Born #Today in 1903, John Von Neumann is generally regarded as the foremost mathematician of his time and said to be "the last representative of the great mathematicians" bit.ly/1T30Urk
113
89 years ago #Today, the #Draconids put on one of the greatest astronomical shows ever, the famous radiant storm of 9 October bit.ly/2egCoaa
114
#Today, Jupiter will come the closest to Earth it's been in 59 years. The last time Earth was this close to the giant – just 590 million kilometers away – it was October 1963. This will make observations particularly favorable.
[read more: buff.ly/3Ssnvk8]
115
85 years ago #Today, Alan Turing first described to the world the Universal Machine, later to be known as the Turing Machine, creating the basic theory of computability for several decades to come [read more: ubm.io/2ABJm0l] [source of the gif: buff.ly/3qxfVtG]
116
95 years ago #Today, the Krakatoa volcano began a new eruption on the seafloor along the same line as the cones of previous activity. By 26 Jan 1928, a growing cone had reached sea level and formed a small island called Anak Krakatoa (Child of Krakatoa) bit.ly/2zL0CzA
117
Born 196 years ago #Today, Bernhard Riemann was a revolutionary contributor to mathematics. Through his pioneering contributions to differential geometry, he also laid the foundations of the mathematics of general relativity bit.ly/2cHSzs5
118
92 years ago #Today, the first photograph showing the curvature of the Earth was exhibited in Cleveland, Ohio
[read more: ow.ly/ajQe30n8x39]
119
264 years ago #Today, the predicted return of comet 1P/Halley was first sighted by Johann Georg Palitzsch. Edmond Halley had predicted in 1705 the return of the comet every 75.5 years. For the first time the scientific prediction had been proven bit.ly/2C52msG
120
Born 135 years ago #Today, Erwin Schrödinger was physicist and father of the quantum theory. He formulated the wave equation and revealed the identity of his development of the formalism and matrix mechanics bit.ly/1SgOYi8 [gif: buff.ly/3lXGPZq]
121
Born #Today in 1923, Freeman Dyson was a legendary theoretical physicist and visionary technologist. He helped create modern particle physics, criticized nuclear weapons tests, and imagined how civilizations could take to the stars [read more: buff.ly/2Pt6mZp]
122
Television viewers saw this picture of Earth during the sixth live telecast from the Apollo 8 spacecraft on its way home, 54 years ago #Today go.nasa.gov/2i0atfC
123
Born #Today in 1918, Katherine Johnson was the mathematician whose calculations of orbital mechanics as a NASA employee were critical to the success of the first and subsequent U.S. crewed spaceflights buff.ly/2Fr9KwO
