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Universalium. 2010.
Cascade Tunnel — Der Cascade Tunnel ist ein eingleisiger Eisenbahntunnel und verläuft unter Stevens Pass durch die nordamerikanische Kaskadenkette. Der Name Cascade Tunnel bezeichnet sowohl den aktuellen Tunnel zwischen Scenic und Berne im US Bundesstaat… … Deutsch Wikipedia
Cascade Tunnel — The Cascade Tunnel was a 2.6 mile (4.2 km) long single track railroad tunnel at Stevens Pass through the Cascade Mountains approximately convert|65|mi to the east of Everett, Washington. It was built by the Great Northern Railway in 1900 to avoid … Wikipedia
Tunnel hole-through — is the time, during the construction of a tunnel built from both ends, when the ends meet, and the accuracy of the survey work becomes evident. Many tunnels report breakthroughs with an error of only a few inches indeed, it is hard to think of… … Wikipedia
Cascade — A cascade is a type of waterfall or a series of waterfalls.Cascade may also refer to: Places North America* Cascade Range, a mountain range on the west coast of North America * Cascade Volcanoes, a grouping of volcanoes on the west coast of North … Wikipedia
Rathole tunnel — Rathole tunnels are railway tunnels where fumes from locomotives make passage through the tunnel unpleasantFact|date=February 2007. OverviewRathole tunnels are characterized by being long, steeply graded, narrow bores (often with single tracks).… … Wikipedia
Otira Tunnel — during construction, ca 1910 Overview Line Midland Line Location Southern Alps, So … Wikipedia
Laser à cascade quantique — Le laser à cascade quantique (abrégé en QCL pour Quantum Cascade Laser) est un laser à semi conducteur, pouvant émettre de l infra rouge moyen à l infra rouge lointain dont le principe d’émission par cascade quantique a été initialement proposé… … Wikipédia en Français
Quantum cascade laser — Quantum cascade lasers (QCLs) are semiconductor lasers that emit in the mid to far infrared portion of the electromagnetic spectrum and were first demonstrated by Jerome Faist, Federico Capasso, Deborah Sivco, Carlo Sirtori, Albert Hutchinson,… … Wikipedia
Cumberland Gap Tunnel — Carries 4 lanes of U.S. Route 25E Crosses Tennessee Kentucky state line underneath Cumberland Gap … Wikipedia
Ruling gradient — The ruling gradient (or ruling grade) of a section of railway line is the steepest section of that line. The ruling gradient is important in assigning locomotives to trains, as the locomotives must have sufficient power to pull the train over the … Wikipedia
