question: Is it possible that air felt like a solid as water does when collided at a certain amount of speed? If so, how big it has to be?
comment: "Feel like a solid" is not how I would put it, but you can die from exposure to high speed in air. [The Navy did some testing with humans. ]( URL_0 ) > At wind speeds above Mach 0.4 – about 305 miles per hour – the wind overpowered their neck muscles and their heads were just blown straight back. > Tests never reached the planned windspeed of Mach 0.65. Technicians worried that anything above Mach 0.58 or 441 miles per hour, the upper limit of the tests, would cause the subjects serious injury. Spacecraft returning from orbit encounter air gradually. That's good because suddenly hitting sea level pressure air while traveling at 17,000 MPH (27 km/hr) would be a lot like hitting a solid for an orbiting spacecraft.
passages: A joint investigation by the United States Coast Guard and the United States Marine Corps was opened into the accident, headed by Rear Admiral Korn. The investigation concluded in mid-2010 and each agency released its own report of findings. Both agencies found that there was no single cause for the incident, and there was no misconduct on the part of any aircrew involved. However, both identified serious failings on the part of the United States Navy air traffic control center that had responsibility for the airspace within which the collision occurred.
  
  Section::::See also.
  
  BULLET::::- 2009 Hudson River mid-air collision
   Mayes also reported to McDonald an area of apparently "fused sand", where the sand had taken on a glassy appearance, near where the object had allegedly landed and then departed. The area of glassy sand was roughly triangular, measuring about 25 to at its widest, though it gradually tapered down to about 1 inch wide; it seemed about a quarter of an inch thick. Mayes thought the glassy areas looked as if a "hot jet hit it."
   BULLET::::- This phenomenon was extensively reported in the press in 1999, after John F. Kennedy, Jr.'s plane went down during a night flight over water near Martha's Vineyard. Subsequent investigation pointed to spatial disorientation as a probable cause of the accident.
  
  Section::::Examples.
  
  BULLET::::- 1963 Camden PA-24 crash – Patsy Cline plane crash
  
  BULLET::::- Adam Air Flight 574 – January 1, 2007
  
  BULLET::::- Aeroflot Flight 821 – September 14, 2008
  
  BULLET::::- Afriqiyah Airways Flight 771 – May 12, 2010
  
  BULLET::::- Agni Air Flight 101 – August 24, 2010
  
  BULLET::::- Air France Flight 447 – June 1, 2009
   Such orifice injuries can result in permanent disability or death. For example, in 2006, the California Court of Appeal for the First Appellate District upheld a $3.7 million Napa County jury verdict against Polaris Industries arising out of one such incident (which had devastating effects on the victim's lower abdomen). 
  
  It is also possible for multiple riders on the same PWC to sustain orifice injuries in a single accident, as actually occurred in a 2007 accident at Mission Bay which resulted in a San Diego County jury verdict affirmed in full on appeal in 2014.
   Articulate
  
  Articulate may refer to:
  
  BULLET::::- Articulate!, a board game in which players describe words from different categories
  
  BULLET::::- Articulate brachiopods, brachiopods with toothed hinges and simple opening and closing muscles
  
  BULLET::::- Articulate sign, a sign of the zodiac that facilitates speaking and communication
  
  BULLET::::- Articulate sound, to move the tongue, lips, or other speech organs in order to make speech sounds
  
  BULLET::::- Articulated vehicle, a vehicle which has a pivoting joint in its construction
  
  BULLET::::- Articulated skeleton (paleontology), a skeleton that has been found all in one piece with bones still arranged in the proper order
   Thirty-eight seconds later, the captain of an Eastwind Airlines Boeing 737 reported to Boston ARTCC that he "just saw an explosion out here", adding, "we just saw an explosion up ahead of us here ... about or something like that, it just went down into the water." Subsequently, many air traffic control facilities in the New York/Long Island area received reports of an explosion from other pilots operating in the area. Many witnesses in the vicinity of the crash stated that they saw or heard explosions, accompanied by a large fireball or fireballs over the ocean, and observed debris, some of which was burning while falling into the water.
   BULLET::::- Accident to watercraft causing submersion injuring occupant of other watercraft—crew
  
  BULLET::::- Accident to watercraft causing submersion injuring occupant of other watercraft—other than crew
  
  BULLET::::- Accident to watercraft causing submersion injuring water skier
  
  BULLET::::- Accident to watercraft causing submersion injuring swimmer
  
  BULLET::::- Accident to watercraft causing submersion injuring dockers, stevedores
  
  BULLET::::- Accident to watercraft causing submersion, occupant of military watercraft, any type
  
  BULLET::::- Accident to watercraft causing submersion injuring other specified person
  
  BULLET::::- Accident to watercraft causing submersion injuring unspecified person
  
  BULLET::::- Accident to watercraft causing other injury
   BULLET::::- 1st — Drew McWeeny, "The Tracking Board"
  
  BULLET::::- 1st — Nicholas Barber, BBC
  
  BULLET::::- 1st — Mike Scott, "The Times-Picayune"
  
  BULLET::::- 1st — James Verniere, "Boston Herald"
  
  BULLET::::- 1st — Borys Kit, "The Hollywood Reporter"
  
  BULLET::::- 1st — Marjorie Baumgarten & Steve Davis, "The Austin Chronicle"
  
  BULLET::::- 1st — Joe Morgenstern, "The Wall Street Journal"
  
  BULLET::::- 2nd — David Rooney, "The Hollywood Reporter"
  
  BULLET::::- 2nd — Mark Olsen, "Los Angeles Times"
  
  BULLET::::- 3rd — Sheri Linden, "The Hollywood Reporter"
  
  BULLET::::- 3rd — Matthew Jacobs, "HuffPost"
  
  BULLET::::- 3rd — E. Oliver Whitney, "ScreenCrush"
  
  BULLET::::- 3rd — Alonso Duralde, "TheWrap"
  
  BULLET::::- 4th — Pete Hammond, "Deadline Hollywood"
  
  BULLET::::- 4th — Brian Tallerico, RogerEbert.com
   42 year old Chinese paraglider pilot He Zhongpin died in 2007 after being sucked into the same storm system and struck by lightning at 5900 m (19,000 feet). His body was found the next day from his last known position prior to entering the cloud.
  
  In 2014 Italian paraglider Paolo Antoniazzi, 66 years old retired Army general, died after being sucked into a thunderstorm.
   BULLET::::- "Top Gear" presenter Richard Hammond suffered a DAI as a result of the Vampire Dragster Crash in 2006.
  
  BULLET::::- Champ Car World Series driver Roberto Guerrero suffered a DAI as a result of a crash during testing at the Indianapolis Motor Speedway in 1987.
  
  BULLET::::- Formula 1 driver Jules Bianchi suffered a DAI as a result of an accident at the 2014 Japanese Grand Prix and died, without regaining consciousness, 9 months later on 17 July 2015.
   The beanbag-like design of the waterbag changes shape and conforms to a surface thus it collapses and is "slow acting" on impact. There is a significant difference between the physics of the sealed waterball and the water absorbing waterball or waterbag.
   BULLET::::- Underwater kite: Water kites have an analogous presence in other liquids as the flying media; kite expert David Culp published about non-water media for kiting within those fluids rather than air (see "Water kites" below). An early presentation of an underwater box kite was repeated in the Drachen Foundation Kite Journal from a 1909 Scientific American article.
  
  Section::::Glossary of kite types.:V.
   BULLET::::- In 1978, two young hikers, while walking on Monte Musinè near Turin, saw a bright light; one of them temporarily disappeared and, after a while, was found in a state of shock and with a noticeable scald on one leg. After regaining consciousness, he reported having seen an elongated vehicle and that some strangely shaped beings descended from it. Both the young hikers suffered from conjunctivitis for some time.
   BULLET::::- May 1986 – A microburst squall with windspeeds of is responsible for capsizing and sinking the "Pride of Baltimore" in the Caribbean Sea, about north of Puerto Rico. The ship took the lives of her captain and three of her other 11 crew members.
   BULLET::::- August 15 – Sgt. First Class Corey Hood, 32, a member of the United States Army Parachute Team "Golden Knights" team died at Northwestern Memorial Hospital one day after he was critically injured when he struck an apartment building and fell to the ground following a mid-air collision with another parachutist belonging to the United States Navy Parachute Team "Leap Frogs" at the Chicago Air & Water Show.
   On January 28, 2010, GGYC announced that it had requested that the International Jury allow it to employ a friction-reduction system that involved discharging liquids in the water. GGYC stated that friction-reduction systems had been explicitly allowed at SNG's request, so it was not appropriate for SNG to attempt to restrict such systems. According to SNG, the discharge of liquids by GGYC's yacht would violate reasonable environmental protection measures incorporated in the Sailing Instructions. On February 2, 2010, the International Jury decided that friction-reduction systems would be allowed provided that applicable environmental laws were not violated.
   BULLET::::- is the surface tension of the liquid in dynes per centimeter or newtons per meter.
  
  BULLET::::- is the acceleration due to gravity and is equal to 980 cm/s or 9.8 m/s
  
  BULLET::::- is the density of the liquid in grams per cubic centimeter or kilograms per cubic meter
  
  In reality, the thicknesses of the puddles will be slightly less than what is predicted by the above formula because very few surfaces have a contact angle of 180° with any liquid. When the contact angle is less than 180°, the thickness is given by:
   BULLET::::- Raftaastic : The Raftaastic is a family raft ride. It offers riders a speedy fall down a water wall, with steep drops and turns.
  
  BULLET::::- Splash : This is an open body waterslide where the rider experiences multiple bumps and turns during the course of the ride
  
  BULLET::::- Boomeranggo : This ride shoots riders up a water wall, where they experience weightlessness before coming back down. The ride involves the riders going up and sliding down as they travel through the water slide
   The waterbag exchanges its fluid contents on impact and it changes its shape as it collapses on impact. There is no bouncing or minimal bouncing action. Slow acting on impact is an intended design characteristic that is very pleasing and safe in high-speed play action. The "rolling action" of the waterbag that is referred to a "low skip profile" on the water surface that again collapses on impact with the water surface or player's hand. This makes the waterbag less active and easier to catch. The waterbag is both fast in action and slow acting on impact.
  
  Section::::Safety issues.
   The water absorbing waterball is the smallest of these high-performance waterballs. It is a collapsing bag or sack like a footbag with an Ultra Suede single seam cover and beaded fill with other water absorbing high-density materials. It is designed to skip and roll on water in a low profile skip pattern. It is less than 2” in diameter and it easily fits and collapses in a 4+ year old’s hand. It looks and feels like a footbag or Hacky Sack. The water absorbing waterball like the Waboba Blast Ball and Water Ripper Ball are the only high-performance waterballs designed to absorb water.
   A sealed ball displaces and bounces on water as it interacts with the water surface. On impact with the water surface or a player's hand, the sealed waterball deforms and deflects and transfers its energy in the opposite direction as it bounces on impact. But a sealed waterball no matter how soft still maintains its spherical shape and ball like properties. The fluid dynamics and shape characteristics are relatively unchanged as the sealed waterball does not change its density.
   Those classified as "limited contact" include baseball, bicycling, cheerleading, whitewater canoeing and kayaking, fencing, floor hockey, flag football, gymnastics, handball, horseback riding, racquetball, skating (ice skating, inline skating, roller skating), skiing (cross-country skiing, downhill skiing, water skiing), skateboarding, snowboarding, softball, squash, ultimate frisbee, volleyball, and windsurfing or surfing, and the track and field events high jump and pole vaulting.
   BULLET::::- On Sept 3, 2017, a microburst hit in Santa Barbara, California and knocked off numerous trees and many landed on cars with many power lines down. Multiple traffic accidents occurred and 56 people were tossed into the water. A 22-foot sailboat was also overturned and was sinking into the ocean.
   Section::::Causes.:Internal Orifice Injuries.
  
  One particularly serious type of personal watercraft injury occurs when a female rider falls off the back of the craft and into the path of the craft's high-pressure water jet. The jet thrust is powerful enough to push water into the rider's orifices, which can result in severe internal injuries to the rider's vagina, rectum or anus, and possibly death.
   The court also set aside Cybersell AZ’s argument that the "Calder" “effects” test provided grounds for personal jurisdiction because Cybersell AZ did not suffer harm in a particular geographic location in the same sense that an individual would. Cybersell FL’s web page simply was not aimed intentionally at Arizona knowing that harm was likely to be caused there to Cybersell AZ.
  
  Section::::See also.
  
  BULLET::::- Zippo Manufacturing Co. v. Zippo Dot Com, Inc.
  
  BULLET::::- Personal jurisdiction in Internet cases in the United States
  
  Section::::External links.
  
  BULLET::::- Intellectual Property in Cyberspace
  