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Kary Mullis revolutionized molecular biology with his invention of the polymerase chain reaction, which required only a test tube, some reagents, a DNA template, and a source of heat. 1986 April – The first child produced from a gestational surrogacy is born. This is the first time in history that a child has been born to somebody who is not ...
The first 4 models were released on this date. The PS/2 Model 30 based on an 8086 processor and an old XT bus, Models 50 and 60 based on the 80286 processor and the Model 80 based on the 80386 processor. These used the 3½" floppy disks, storing 1.44 MB on each (although the Model 30 could only use the low 720KB density). These systems (except ...
1886: Charles Martin Hall and independently Paul Héroult invent the Hall–Héroult process for economically producing aluminum in 1886. 1886: Karl Benz invents the first petrol or gasoline powered auto-mobile (car). [ 440 ] 1887: Carl Josef Bayer invents the Bayer process for the production of alumina.
Thirty-five years ago, users heard the infamous dial-up sound for the first time. The '80s were a decade defined by major technological innovations, big hair, cult-classic movies and the start of ...
Ballpoint pen, felt tip pen, brush pen. Calligraphy; ink drawing; personal preference; acting and historical re-enacting. Fountain pens in particular maintain use as fairly standard writing implements, and are in a state of co-existence, rather than of obsolescence, despite reduced usage. Sundial. Clock.
t. e. A timeline of United States inventions (after 1991) encompasses the ingenuity and innovative advancements of the United States within a historical context, dating from the Contemporary era to the present day, which have been achieved by inventors who are either native-born or naturalized citizens of the United States.