Nicholas Lens Nachrichten
belgischer Autor und Komponist
- Violine
- Oper
- Belgien
- Komponist, Schriftsteller, Schauspieler, Filmregisseur
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Letzte Aktualisierung
2024-04-26
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2017-11-19 23:30:31
Lens: Venticinque movimenti – Einzelausgabe – Zu dieser Sammlung von Einzelsätzen und Studien wurde Nikolas Lens nicht zuletzt, wie er schreibt, aus Mangel an Original-Repertoire für sein Instrument inspiriert. Speziell für den Kontrabass als vollwertiges Soloinstrument komponierte er diese 25 Stücke, mit denen die Spieler „einmal aus dem Versteck des Orchestergrabens ins volle Rampenlicht treten, … Der Beitrag erschien zuerst auf Schott Music.
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getClassical (Ilona Oltuski) [de]
2016-03-16 17:29:34
A Brief History of the Light Microscope
How old is the light microscope? It may be older than you think. For centuries, philosophers and researchers have tried to find a way to discover the hidden world that surrounds us each day. It surrounds us, but we can’t see it because it’s too small to view from the naked eye. This changed once the Lens was discovered. Once this happened (the Nimrud Lens dates back three thousand years to ancient Assyria) man has tried to magnify the world around him. The first real attempt at a microscope happened in 1590. This was nearly a hundred years before the pilgrims and right around the time Shakespeare was writing his best work. Two Dutch spectacle makers, Zaccharias and Hans Jannsen used a Lens and tube to magnify objects nearby. Galileo expanded on this design and came up with his compound microscope in 1625. He called it his little eye but […]
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getClassical (Ilona Oltuski) [de]
2016-03-16 17:28:27
What makes compound microscopes so special?
Modern day compound microscope can magnify an object to a thousand times its original size. It can distinguish objects placed as closely as 0.1 micrometers. Multiple convex Lenses lined at accurate distances are placed in this microscope to achieve greatest magnification, which is not producible by a single Lens. One of the Lenses is placed at the eyepiece to generate magnification. Through this Lens, users can observe the slides placed under the microscope. This Lens can magnify an object ten times the normal size. Objective Lens combines multiple Lenses (typically three to four), at the rotatable nosepiece. Users can change the degree of magnification by selecting the right Lens, by rotating the nosepiece. A typical compound microscope consists of four Lenses: a low power Lens that can magnify an object up to ten times, high-power one that can magnify it up to 40 times, oil immersion Lens that can enlarge […]
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getClassical (Ilona Oltuski) [de]
2016-03-16 17:22:30
How to take good care of your compound microscope?
Compound microscope is used for different purposes and it comes with two or more convex Lenses. It gives an opportunity for a thorough study of microorganisms, cells and tissues in a two dimensional image. Compound microscopes are delicate instruments, and it is critically vital to handle these tools with extreme caution. Hence, if you are transporting it from one place to another, make sure that you pick it and walk with it. It is recommended to grab it with the arm and place your other hand on the bottom of the base. If you are about to start your work using this equipment, place it on a secure table free from any kind of vibrations. To avoid a sudden fall, always keep it away from edges of your table. If you are planning to clean it, you better never touch the Lenses with your fingers. Always use Lens paper to […]
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