1925 – Charles Jenkins publicly demonstrated synchronized transmission of silhouette pictures and sound, becoming the first person to demonstrate TV in the US.
1941 – John Mauchly visited John Atanasoff t…
1897 – Karl Elsener received a design patent for his “soldiers’ knife” for use by the Swiss army. The original had a wooden handle, a blade, a screwdriver and a can opener.
1959 – The first experimental hovercraft, Christopher Cockerell’s SRN-1 made its first trials at Cowes on the Isle of Wight.
1978 – Texas Instruments introduced the…
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