Posted on 06/19/2018 10:41:19 AM PDT by Berlin_Freeper
Every four years there’s a new ball for the World Cup—and every four years players are unhappy with it. Maybe it’s too light and has too much lift, like the 2002 Fevernova. Or maybe it wobbles unexpectedly in the air, making it harder for goalies to predict its motion, like the 2006 Teamgist. Or maybe the ball suddenly changes speed, dropping out of the air and causing accidental handballs, like the 2010 Jabulani.
At the World Cup level, these tiny changes in a ball’s aerodynamics can legitimately impact a team’s performance, so the intense scrutiny of the World Cup ball is perhaps to be expected. “You could argue that it’s the most important piece of equipment in the most popular sport in the world,” says John Eric Goff, Professor of Physics at University of Lynchburg.
Adidas designs every World Cup ball, and on top of being a big seller for them, engineers at the company are constantly a little closer to the perfect ball, Goff says. The ideal soccer ball is a pimple-covered, perfect sphere, its surface just subtly textured enough to keep the airflow around the ball slightly turbulent. Unintuitive as this might sound, the ridges and pimples on the ball make it more aerodynamic, helping the ball to fly through the air more stably.
The Telstar 18, the design for the 2018 World Cup in Russia, is as close to a perfect sphere as you can get.
(Excerpt) Read more at popsci.com ...
FT: Brazil 2-0 Coasta Rica
Feel totally drained from the tension.
Neymar was broken down in tears when the final whistle blew.
wow
going to set my alarm for a forty minute power nap.
Wow!
HT: Nigeria 0-0 Iceland
Very nice Nigeria goal 1-0.
Nigeria goal with fast attack 2-0.
That’s the way to score goals. Not bring the whole team every damn time (looking at you Germany).
Video Review PK for Iceland!
Nigeria 2-0 Iceland
Shock miss over the net.
Quick shock Serbia goal 1-0 Switzerland
I was watching the World Cup when my wife told me something about the dog and going to the Zoo.
So I replied: No problem. I’ll stay with Luna and you two have fun at the Zoo. Try not to spend too much.
Then she made clear that tomorrow is bring your pet dog to the Zoo day.
I said it’s a bad idea because Luna is a toy poodle puppy and would be an easy snack.
But my wife said our daughter wants to show Luna the elephants and things.
So we are going.
I will miss one maybe two games tomorrow but at night is Germany v Sweden. Must win for Germany!
If I stop posting it’s because I died trying to fight off a hungry kangaroo.
Or something.
Last time I was at the Zoo, there were a group of idiots staring down a huge gorilla till it ran up to the plexiglas and slammed its fist on it.
This Zoo event is bound to attack the crazies who happen to have dogs and their dogs are going to be crazy too.
HT: Serbia 1-0 Switzerland
A physicist designed the perfect golf ball by removing the dimples down the middle but leaving the dimples on the outermost most quadrants. It coulld be hit straight everytime. No hook, fade or draw. The USGA bought the patent and its is banned from play.
I have no idea how toy poodles survive in the wild.
ROCKET Switzerland goal 1-1!
Welcome To The Jungle
https://youtu.be/o1tj2zJ2Wvg
The last ten minutes are usually the best. I love the pure physical desperation.
You don’t get that in baseball.
WOW Serbia 1-2 Switzerland in minute 90!
WOW!
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