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The first known recorded history of flag football can be traced to Fort Meade, Maryland, USA, which is now generally accepted as the sport's birthplace. The first national flag football organization, the National Touch Football League, was formed in the 1960s in St. Louis, Missouri. Since 1971, the league has had a national championship game. [4]
Wireless communication Irving " Al " Gross ( / ɡ r oʊ s / ; February 22, 1918 – December 21, 2000) was a pioneer in mobile wireless communication . He created and patented many communications devices, specifically in relation to an early version of the walkie-talkie , [ 1 ] Citizens' Band radio , [ 2 ] the telephone pager [ 2 ] and the ...
Typical walkie-talkies resemble a telephone handset, with a speaker built into one end and a microphone in the other (in some devices the speaker also is used as the microphone) and an antenna mounted on the top of the unit. They are held up to the face to talk. A walkie-talkie is a half-duplex communication device. Multiple walkie-talkies use ...
The American Flag Football League (AFFL), previously only an amateur tournament, is due to launch a professional league in spring 2025 with players earning $1,000 a week. Its first franchises, the ...
Nathan Beverly Stubblefield [1] (November 22, 1860 – March 28, 1928) was an American inventor best known for his wireless telephone work. Self-described as a "practical farmer, fruit grower and electrician", [2] he received widespread attention in early 1902 when he gave a series of public demonstrations of a battery-operated wireless telephone, which could be transported to different ...
His name is attributed to a class of related topologies loosely referred to as the Gilbert cell, one of which is a mixer - a key frequency translation device - used in every modern wireless communication device. A similar topology, for use as a synchronous demodulator, was invented by Howard Jones in 1963. [1] Gilbert was born in Bournemouth ...
GoRout’s wearable play-calling devices are attached to a player’s waist or wrist, much like an Apple watch. Coaches on the sideline or dugout use a tablet or smartphone to send plays to athletes.
Mahlon Loomis (21 July 1826 – 13 October 1886) was an American dentist and inventor known for proposing a wireless communication and electric power generating system based on his idea that there were electrically charged layers in the Earth's atmosphere.