Carewolf writes: In an interesting story of weather and techonology. After a vulcanic eruption in Iceland. All flights in and out the UK, Denmark, Norway and Sweden have been suspended. Finland and Belgian is also shutting down airtravel, and the ash cloud is expected to affect airtravel in all of North Europe during the day. The reason the vulcanic ash grounds the planes is due to leasons learned from KLM Flight 867 in 1989, and British Airway Flight 9 in 1982, where vulcanic ash in both cases sandblasted front windscreen and shut down all four engines.