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Calibrating badminton shuttlecocks
(11) | 23/03/2023 | Translate: Calibration of wings used in the sport of badminton.
Women's Teqball Championship A match from the Women's Teqball World Championship, a sport that was born in the last five years and combines football with table tennis.- Aerodynamics test with a pigeon A pigeon sits casually on the wing of an airplane during take off.
- A remote controlled ornithopter Aeronautical engineering students from Northwestern Polytechnical University in Xi An, China, built a remote-controlled ornithopter that accurately mimics the movement of a bird's wings.
- How to tell if a car is unscathed An expert's advice on how to tell if a used car is unscathed. Just look in the gap between the door and the fender.
- Collapse of a roof in an indoor stadium during the earthquake (Taiwan) On Sunday, September 18, 2022 in Taiwan, several people were playing badminton in an indoor court when the roof collapsed due to the 6,9 Richter. One man was injured.
- An unusual technique in the long jump (1974) The early 1970s in athletics is an extremely interesting time. The technique of most sports is not yet settled, and athletes are constantly inventing new methods. What is the best technique for pole vaulting or high jumping?; How to throw a javelin or discus more effectively; The answers to these questions were sought during the games. The most famous of the innovators is Dick Fosbury, the 1968 Olympic champion in the high jump. He was the one who invented the Fosbury flop jump - the style of crossing the forearm with the back forward, which is now applied by all athletes. Before the Fosbury flop, the jump was done with the feet forward. Another innovator was Tuariki Delamere, a New Zealander from the University of Washington. Delamere invented a new way of long jumping and named it "somersault" (Tuba). He first used this technique at the 1974 Commonwealth Games in Christchurch, New Zealand. Although he jumped a distance of 8,40 meters, it was his hands that betrayed him as he rested them on the sand. So the jump was counted at 7,70 meters. Somersaulting is more mechanically efficient, as the angle of repulsion during such a jump becomes greater. Unfortunately, in the same year, the international federation banned any rotation during the long jump, as dangerous for the health of athletes. This restriction is still in place today (Article 30.1.3 of the World Athletics competition rules).
- The tools of the conductor In a funny montage, Venezuelan conductor Gustavo Dudamel plays various sports such as tennis, volleyball or exercising with dumbbells while directing Agreement No.. 5 of Beethoven.
- Volleyball is an easy sport O Miranda Weber, volleyball player at American University in 2018, has a height of 2,11 meters.
- A stork protects its young from the hail A stork mom protects her chicks during a hailstorm. It stands on top of them and spreads its wings, so that the hail does not hit the young birds.
- A hawk stays steady in the air This hawk uses the opposite wind and hot air currents to hover using very little of its wings.. Observe the stabilization of his head.
- The cuckoo with his hands The cuckoo Tapera naevia lives in the forests of Mexico, of Trinidad, of Bolivia, Brazil and Argentina. When "dancing" to attract his partner, this bird spreads its black wings, that look like hands. These fins (alula) are 5 small wings that are part of every wing of modern birds. They mainly have a braking function, similar to air brakes on the wings of an aircraft.
- The kitten wants to play with the peacock A kitten meets a peacock, and immediately wants to play with its colorful wings.
- Rugball: a mix of basketball and wrestling This is the "rugball", a team sport that combines rugby, basketball and wrestling. The goal of the game is for each team to score in the basket as in basketball, except that physical contact between players is allowed, resulting in some tough duels. Rugball (Rugby) is a Russian sport created in 1999. It was invented by wrestlers during their warm-up. It is played by two teams of 6 players on a basketball court. Unlike basketball, there is no dribbling or free throwing.
- Insects take off at 3200 fps The Ant Lab channel filmed various winged insects as they took off, in slow motion at 3200 frames / second.
- The Swedes are planning a sailing cargo ship This is Oceanbird. A cargo ship, designed by the Swedish company Wallenius Marine to reduce CO2 emissions related to maritime transport, and sails thanks to wind energy. Thanks to the five large telescopic wings of the height of 80 meters that will be equipped with algorithms for the exploitation of the wind, the ship 200 meters long and 40 meters wide will be able to navigate at a speed of ten knots (that is, 18 km / h). According to Wallenius Marine, with 7.000 cargo cars, the ship will take 12 days to cross the Atlantic. The ship is expected to be built in 2024.