Why Do Wimbledon Players Wear All White?

Matthew Stockman, Getty Images
Matthew Stockman, Getty Images

by James Hunt

Wimbledon's dress code is one of the most famous in sports. The rules, which specify that players must dress "almost entirely in white," are so strict that the referee can force players to change under threat of disqualification. In the past, many of the sport's top players have found themselves on the wrong end of this rule—but where did it come from?

It's believed that the rule stems from the 1800s, when tennis was a genteel sport played primarily at social gatherings, particularly by women. The sight of sweaty patches on colored clothing was considered to be inappropriate, so the practice of wearing predominantly white clothing—a.k.a. tennis whites—was adopted to avoid embarrassment. The All England Club, which hosts Wimbledon, was founded in 1868 (initially as the All England Croquet Club) and introduced Lawn Tennis in 1875.

Quite simply, the club is just a stickler for tradition. Recently issued guidelines for clothing include statements such as "White does not include off-white or cream," that colored trim can be "no wider than one centimeter," and that "undergarments that either are or can be visible during play (including due to perspiration)" are not allowed. That's right: even players' underwear has to be white.

The rules have rubbed many famous tennis players the wrong way. In 2013, former Wimbledon champion Roger Federer was told not to wear his orange-soled trainers after they were judged to have broken The All England Club's dress code. In 2002, Anna Kournikova was forced to replace her black shorts with a pair of white ones borrowed from her coach. And Andre Agassi refused to play at Wimbledon in the earlier years of his career because his signature denim shorts and garish tops were banned.

The all-white clothing rule isn't the only piece of baggage that accompanies Wimbledon's long history. It's the only Grand Slam tournament that's still played on a grass court, and the only one that schedules a day off on the middle Sunday of the tournament.

However, the club is not immune to change. In 2003 a long-standing tradition of requiring players to bow or curtsey to the Royal Box on the Centre Court was discontinued by the Duke of Kent (who also happens to be The All England Club's president) who deemed it anachronistic—though the requirement does stand if the Queen or Prince of Wales is in attendance—and in 2007 the prizes for the men's and women's tournaments were made equal. The all-white clothing rule may be annoying for players, but at least the club has shown it can change with the times in the areas where it really matters.

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What Would Happen If a Plane Flew Too High?

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iStock

Tom Farrier:

People have done this, and they have died doing it. For example, in October 2004, the crew of Pinnacle Airlines 3701 [PDF]  was taking their aircraft from one airport to another without passengers—a so-called "repositioning" flight.

They were supposed to fly at 33,000 feet, but instead requested and climbed to 41,000 feet, which was the maximum altitude at which the aircraft was supposed to be able to be flown. Both engines failed, the crew couldn't get them restarted, and the aircraft crashed and was destroyed.

The National Transportation Safety Board determined that the probable causes of this accident were: (1) the pilots’ unprofessional behavior, deviation from standard operating procedures, and poor airmanship, which resulted in an in-flight emergency from which they were unable to recover, in part because of the pilots’ inadequate training; (2) the pilots’ failure to prepare for an emergency landing in a timely manner, including communicating with air traffic controllers immediately after the emergency about the loss of both engines and the availability of landing sites; and (3) the pilots’ improper management of the double engine failure checklist, which allowed the engine cores to stop rotating and resulted in the core lock engine condition.

Contributing to this accident were: (1) the core lock engine condition, which prevented at least one engine from being restarted, and (2) the airplane flight manuals that did not communicate to pilots the importance of maintaining a minimum airspeed to keep the engine cores rotating.

Accidents also happen when the "density altitude"—a combination of the temperature and atmospheric pressure at a given location—is too high. At high altitude on a hot day, some types of aircraft simply can't climb. They might get off the ground after attempting a takeoff, but then they can't gain altitude and they crash because they run out of room in front of them or because they try to turn back to the airport and stall the aircraft in doing so. An example of this scenario is described in WPR12LA283.

There's a helicopter version of this problem as well. Helicopter crews calculate the "power available" at a given pressure altitude and temperature, and then compare that to the "power required" under those same conditions. The latter are different for hovering "in ground effect" (IGE, with the benefit of a level surface against which their rotor system can push) and "out of ground effect" (OGE, where the rotor system supports the full weight of the aircraft).

It's kind of unnerving to take off from, say, a helipad on top of a building and go from hovering in ground effect and moving forward to suddenly find yourself in an OGE situation, not having enough power to keep hovering as you slide out over the edge of the roof. This is why helicopter pilots always will establish a positive rate of climb from such environments as quickly as possible—when you get moving forward at around 15 to 20 knots, the movement of air through the rotor system provides some extra ("translational") lift.

It also feels ugly to drop below that translational lift airspeed too high above the surface and abruptly be in a power deficit situation—maybe you have IGE power, but you don't have OGE power. In such cases, you may not have enough power to cushion your landing as you don't so much fly as plummet. (Any Monty Python fans?)

Finally, for some insight into the pure aerodynamics at play when airplanes fly too high, I'd recommend reading the responses to "What happens to aircraft that depart controlled flight at the coffin corner?"

This post originally appeared on Quora. Click here to view.

Why Are Some Men's Beards a Different Color Than Their Hair?

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iStock

Throughout civilization, beards have acted as a silent communicator. For some, it's a symbol of virility and power. For others, being hirsute is mandated by religion, marital status, or both. (Amish single men are clean-shaven; husbands are not.) Seeing an unkempt, scraggly beard could be an indication of a person's economic status or their lack of vanity. One man, Hans Langseth, sprouted a 17-foot-long chin warmer for the unique identity it afforded him. (He kept it neatly rolled over a corn cob when he wasn't busy showing it off.)

Langseth's whiskers, which wound up in the Smithsonian, present a curious timeline of his life. The furthest end of the beard was a vibrant brown, grown out when he was younger. The ends closer to his face—and to the end of his life in 1927—were yellowed.

While age can certainly influence hair and beard color, it doesn't explain why a younger man can sport a decidedly different beard tone than what's on the rest of his head. Other follicular forces are at work.

By default, scalp hair is white. It gets its color from melanin, turning it everything from jet black to dirty blonde. Pheomelanin infuses hair with red and yellow pigmentation; eumelanin influences brown and black. Like shades of paint, the two can mix within the same hair shaft. (Melanin production decreases as we age, which is why hairs start to appear gray.) But not all follicles get the same dose in the same combination. While you might sport a light brown top, your beard could be predominantly dark brown, or sport patches of lighter hairs in spots. Eyebrow hair will probably appear darker because those follicles tend to produce more eumelanin.

If you're wondering why these two-toned heads often have a red beard but not red hair, there's an answer for that, too. While all hair color is genetic, one gene in particular, MC1R, is responsible for a red hue. If you inherit a mutated version of the gene from both parents, you're likely to have red hair from head to toe. (Hopefully not too much toe hair.) But if you inherit MC1R from just one parent, it might only affect a portion of your follicles. If that swatch of color annoys you for whatever reason? There’s always beard dye.

Have you got a Big Question you'd like us to answer? If so, let us know by emailing us at bigquestions@mentalfloss.com.

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