Oct 30, 2025
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The two teams had played each other twice in the Champions League. In today’s world it can be incredibly stressful to organize a fund-raiser for a worthy cause, especially if its football related, but few people realise that there are actually really easy ways of raising money without spending hours collating goals and teams! The restructuring of the sport in Australia also saw the adoption of “football” by administrators, in preference to “soccer”, to align with the general international name of the sport. Atalanta was docked 2 points due to involvement in the 2011-12 Italian football scandal. Note: The match, originally scheduled for 17 October 2021, was moved back due to the 2022 FIFA World Cup qualification in South America. Origi made his international debut for Belgium in 2014 and was part of their team which reached the quarter-finals of the 2014 FIFA World Cup, during which he became the youngest goalscorer in Belgian World Cup history as a 19 year old. Learn about the ceremony’s history on the next page. On the next page, you’ll find out how spinning arms evolved into wind tunnels — and you’ll see how those tunnels were instrumental to one of the biggest technological achievements in the history of humankind.
Not many cars get to be as iconic as the Ford Mustang, the world’s first pony car, and still one of the top-selling models of the Ford lineup. They experimented with around 200 different types of wing shapes by attaching airfoils to two balances — one for drag, and one for lift. Altitude, temperature, and other variables can affect viscosity and compressibility, which in turn changes the boundary layer properties and drag, and the aerodynamics of the test object as a whole. Engineers mount models into the test section using different methods, but usually, the models are kept stationary using wires or metal poles, which are placed behind the model to avoid causing disruptions in the airflow They may attach sensors to the model that record wind velocity, temperature, air pressure and other variables. However, some are built in closed circuits (or closed return), which are basically ovals that send the air around and around the same path, like a racetrack, using vanes and honeycomb panels to precisely guide and direct the flow. For aircraft testing in particular, there are dozens of variables (like pitch, yaw, roll and many others), that can affect the outcome of experiments.
In addition to carefully gauging the shape and speed of the object (or the wind blowing past the object) testers must consider the viscosity (or tackiness) and compressibility (bounciness) of the air during their experiments. This setup allows the fan to pull air into a smooth stream instead of pushing it, which would result in much choppier airflow. Modern tunnels provide much smoother airflow thanks to a fundamental design that incorporates five basic sections: the settling chamber, contraction cone, test section, diffuser and drive section. So, after a bit of tinkering, they constructed a tunnel with a 16-inch (40.6-centimeter) test section. For example, the quality of the air in the tunnel is changeable and has a tremendous bearing on test results. The air subsequently flows into the diffuser, which has a conical shape that widens, and thus, smoothly slows the air’s velocity without causing turbulence in the test section. The walls of the tunnel are exceedingly smooth because any imperfections could act as speed bumps and cause turbulence. The Twins are named after the twin cities – Minneapolis and St. Paul. The key player for me is the Juventus midfielder Paul Pogba.
The air is then immediately forced through the contraction cone, a constricted space that greatly increases airflow velocity. For example, in testing space vehicles, NASA could set up a tunnel to mimic the low-pressure atmosphere of Mars. Wenham’s tunnel was 12 feet (3.7 meters) long and 18 inches (45.7 centimeters) square. The largest flying bird is the wandering albatross, with a wingspan measuring up to more than 17 feet (5 meters), but it only weighs about 26 pounds (12 kilograms) – about as much as a small corgi. They began to realize that narrow, long wings resulted in much more lift than short, thick wings, and in 1903, their meticulous wind tunnel testing paid off. In his tunnel, Wenham tested the effects of lift and drag on airfoils of different shapes. This fan is always placed downstream of the test section, at the end of the tunnel, rather than at the entrance. To generate these breakneck air velocities, scientists use blasts of compressed air stored in pressurized tanks placed upstream of the test section, which is why they are sometimes called blowdown tunnels.