Rotating Climbing Wall This is Treadwall, the rotating climbing wall for training and recreation. It moves by body weight alone, so it automatically matches your…
Tag: PatentYogi
This Day in Tech History - Linux was announced by Linus Torvalds [August 25, 1991]
Linus Torvalds, then a 21-year-old university student in Finland, announced his “little” project (which would become Linux) on user group “comp.os.minix”. His post was titled,…
This day in Tech History - Pepsi-Cola invented [August 28, 1898]
Caleb Bradham made the drink at his drugstore where the drink was sold. It was named after the digestive enzyme pepsin and kola nuts used…
This day in Tech History - First flight of a jet plane [August 27, 1939]
First flight of the turbojet-powered aircraft Heinkel He 178 was accomplished this day in 1939. It was the world’s first jet aircraft. Dr. Hans von…
This day in Tech History - Chinese invent toilet paper [August 26, 580 CE]
It is believed that Chinese invented toilet paper, this day back in the year 580 AD. Before this invention, humans relied on tree barks, leaves, moss,…
Rarely seen back of the Hoover Dam
This is a rarely seen back of the Hoover Dam before it filled with water 1936. Hoover Dam is expected to be one of the last…
Venus is nearly identical in size to Earth
Venus, Mars and Earth, three out of the four inner or ‘rocky’ planets of the Solar System, have a lot in common – a solid…
This Day in Tech History - Windows 95 was launched this day [August 24, 1995]
Microsoft launched Windows 95 on August 24, 1995. The Windows 95 release included a commercial featuring The Rolling Stones’ 1981 single “Start Me Up” (a reference…
The entire British Concorde fleet in one picture on January 21, 1986, at London Heathrow Airport
Here is a patented supersonic aircraft from Airbus.