Articles related to "Refracting"

Total internal reflection is the fundamental physics principle behind rainbows, the brilliance of diamonds, fiber optic cables, and other technologies.

When white light passes through a prism it spreads out into all the colors of the rainbow. Physics tells us this results from refraction and dispersion.

The two main types of astronomical telescopes are reflecting telescopes and refracting telescopes.

In optics, Snell's law of refraction tells us that light is refracted, or bent, when it passes from one medium to another.

Looking to the heavens for guidance was common practice in history and in the present. People also looked up for time-setting, geodesics and stars at Dominion Observatory

When deciding to become a stargazer there are many features of telescopes to consider when determining which one is right for your anticipated needs.

Telescopes for target shooting, bird watching, astronomy and photography explained. Zoom magnification, objective lens size, camera adapters.

The world will celebrate the 400th anniversary of the telescope in 2009, tempting people to buy an instrument to view the planets, moons, stars and satellites.

Holographic film refracts light on to solar cells in arrays that generate more electricity than conventional arrays at less cost and are 'greener' in manufacture.

Many people interested in astronomy pursue it as a hobby. Amateur astronomers become quite knowledgeable about the night sky from their hobby. Here's how to get started.

With release dates starting back in the end of 2006, "Ryan Leslie" finally saw release this month. Leslie puts forth a production that was worth the wait.

March 20, 2007, is the first day of spring in the Northern Hemisphere. As spring begins, examine some myths related to the equinox.

Waves are ubiquitous in the study of physics, and we are intuitively familiar with them from a very early age, but what are they really?

The Portland, OR based early music vocal ensemble In Mulieribus (Latin: 'amongst women') recently released their second CD, simply called Live.

"Pacific Canada" is a term that reflects the diversity and regional differences across Canada. The city of Vancouver is one such example of such diversity.

Feng Shui cures will often include the use of crystals, be the multi-faceted crystal balls or rough geode and quartz crystals. How can you use them to improve the energy

The Greeks of ancient times believed that the eyes emitted a beam of light. This light would allow one to see and perceive of anything that it could reach.

Understanding the structure, development and behavior of water waves is an important seamanship skill that boaters should understand.

With the Spring wedding season arriving, the perfect wedding or engagement ring can be both beautiful and inexpensive. Choices abound!

Corneal ulcers in dogs and cats are a common ailment that can be easily diagnosed and treated by a qualified veterinarian.

Learn how to use fire and wood representations to decorate Feng Shui fame and success area of the house, and attract luck and happiness into life.

The prospect of perfect vision is a dream for many short-sighted people, which Lasik corrective eye surgery has made possible. However, there are side-effects to consider

Physicists doing research in optics and metamaterials may someday move invisibility cloaking from the realm of fantasy and magic to the realm of science and technology.

Equivalent to a 28-380mm focal length zoom in 35mm terms, the DA 18-250mm lens handles landscapes and portraits as well as zooming in on sports and wildlife.

Ideal for indoor and outdoor activities, the compact PENTAX Optio W60 is suited for winter and summer travel, particularly in and around water, mud, and sand

Owing to a runaway greenhouse effect and extreme global warming, the environmental conditions on the planet Venus are among the harshest in the solar system.

There are three routes to better vision: corrective lenses, laser eye surgery, or natural eye exercises. Learn about the pros and cons of each and how to cure myopia.

A great knowledge of the ways of the sea was passed down by word of mouth from generation to generation of Vikings. And, perhaps they had some technologies now lost.

Crossley's paintings incorporate, not only Modernism or elements of natural settings, but advancement of 2-dimensional landscape art into the 21st century (Part 2 of 3).

Eating a diet of different coloured food may be an important way of giving the body the nutrients that it needs. See which colours work in the body for better health.

Find out if those phantom voices and ghostly lights are paranormal, or if your eyes and ears are simply playing tricks on you.

Scientists indirectly deduce the interior structure and composition of Earth and other planets using the density, seismic waves, and the magnetic field.

One of the most outstanding scholars of the medieval Islamic world was Abu Ali Hassan Ibn Al-Haitham (known as Alhazen) who was born in 965 AD in the city of Basra.

Glass blocks can bring an element of design to any space. Use them to allow light through while preserving privacy, heating and cooling.

This is the second time Des McAnuff has directed Macbeth. In 1983 he directed Nicholas Pennell. In 2009, he directs Colm Feore, not with a bang, but a whimper.

The SFWA's choices include an extract from Camouflage by Joe Haldeman, stories by Nancy Kress, Robert J. Sawyer, two by Kelly Link, and a 'lost' Harlan Ellison novella.

Theatre Passe Muraille is turning back the clock for their upcoming season.

Winner of Arthur C. Clarke and British Fantasy Awards, Perdido Street Station burst upon the SF world in 2000, making China Mieville an almost overnight success.

A comparison article of polarized versus non-polarized sunglasses listing the key benefits and uses of each.

In imaging, light has to first enter the eye and bend through the cornea. As it passes through, it bends more before it reaches the optic nerve that goes to the brain.

Gazing from banks of the river Bosphorus, which divides Istanbul into East and West, one of the world's greatest cities is laid out, ready to discover.

The second total lunar eclipse of the year occurs in August as the Moon aligns with the Sun and Earth.

Nerve responses and specialized structures control the aperture that regulates the amount of light that enters the eye and falls on the photoreceptors.

By spotlighting the historical role of the Congress, the spanking new Visitor Center of the US Capitol expands the way Americans perceive the history of their nation.

The wearing of red makes women more attractive to men according to the first official study to document the link between color and relationships.

People throughout history have romanticized about being invisible. Now scientists are synthesizing new materials that could turn this fantasy into a reality.

A simple explanation of the way thermochromic (colour-changing) chemicals work, and how they are used.

Throughout the history of medicine, different cultures have used and understood the power of crystals for healing. Today, quartz crystal healing is being rediscovered.

The solar system is the mysterious universe in the sky, with the planets, sun, moon and stars. Eclipses are rare, exciting events in the solar system.

Certain scientific principles are hard for young children to grasp. These simple experiments will produce fantastic results, and give you easy explanations.