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| 10+ |
Glass Prism
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This prism is made using optical glass and will demonstrate that white light is made up of the colours of the rainbow.
This is known as a spectrum.
In the 17th century Sir Isaac Newton was the first to prove that white light was in fact made up of different colours.
He used a glass prism in his experiments.
The prism is 5cm (2 in) long. Each side is about 2.5 cm (1 in).
In optics, a prism is a transparent optical element with flat, polished surfaces that refract light.
The exact... more >>> |
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£5.99 |
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| 4+ |
Discovery Prism
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Divide light into color instantly! High-quality 4-inch (10 cm) right-angle acrylic prism divides white light into a colorful spectrum. Excellent for optics and physics studies. Includes a fun and informative guide book.
Although no one knows who invented the prism, Sir Isaac Newton first studied prisms in 1666. He passed sunlight through a prism and called the band of separated colours a 'spectrum', which means 'ghost of light'.
Sir Isaac Newton was the first to prove that white light was in... more >>> |
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£9.99 |
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Holographic Diffraction Grating Film (unmounted)
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Holographic diffraction grating film is used to break up white light into all the colors of the spectrum. It is an ideal choice for spectroscopy experiments, since holographic gratings exhibit significantly sharper diffraction orders than their ruled counterparts by reducing the amount of stray light produced. This results in an increased ability to view absorption and emission lines, with higher spatial frequency gratings (1000 lines/mm).
Other sizes available on request, up to 6" wide x several... more >>> |
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£2.00 |
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Large Equilateral Prism
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14 x 3.2 x 3.2 x 3.2 cm, acrylic
In optics, a prism is a transparent optical element with flat, polished surfaces that refract light. The exact angles between the surfaces depend on the application. The traditional geometrical shape is that of a triangular prism with a triangular base and rectangular sides, and in colloquial use "prism" usually refers to this type. Some types of optical prism are not in fact in the shape of geometric prisms. Prisms are typically made out of glass, but can be made from... more >>> |
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£10.73 |
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Equilateral Prism
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Equilateral Prism, Measures 10.2cm x 1.9cm x 1.9cm
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£6.59 |
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Spectroscope Kit
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Students will get to see and appreciate the prismatic qualities of sunlight by using this 1" in diameter diffraction grating spectroscope.
White light can be separated into all of the colors of the spectrum by a prism or a diffraction grating. The spectroscope is a tubular instrument used to observe this color separation. It uses a diffraction grating with a narrow slit in the front through which light enters and is separated into the spectral colors. The diffraction grating is a plastic disk with... more >>> |
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£7.50 |
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Rainbow Maker
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Design by David Dear. Attach to any window that receives direct sunlight. When the crystal rotates it reflects coloured light around the room. This creates the appearance of beautiful rainbows. A perfect gift to colour someone's day!
Rainbow Makers bring prisms of colour into your home with just with the power of the sun. When placed in a window, this solar powered device rotates a genuine Swarovski crystal that scatters and refracts sunlight to create rainbows and spectrums. Colourful cogs and... more >>> |
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£25.55 £24.26 |
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Rainbow in my Room
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This amazing product uses multi-coloured LED's to recreate the brilliant colours of a rainbow - nature's most beautiful light show. You can transform your room into a magical and colourful Wonderland by projecting the beautiful rainbow arc onto walls and ceilings. A sure way to make any room a happier and relaxing place to hang out! Includes an auto shut-off mechanism when not in use and an instruction sheet with fun rainbow facts. Now that kids grow out of toys earlier and earlier, Rainbow-in-My-Room... more >>> |
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£24.94 |
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| 6+ |
Solar Rainbow Maker Kit
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Attach to a window to create hundreds of rainbows every time the sun shines!
Motor turns by the power of the sun
Great fun and easy to build
Create hundreds of real rainbows every time the sun shines with the solar powered Technokit Rainbow Maker. This easy to assemble kit comes with full colour instructions and everything you need to make rainbows in your room. Attach the Rainbow Maker to a sunny window and watch the rainbows dance when the sun activates the solar powered motor, turning the... more >>> |
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£13.25 |
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Double Rainbow Maker
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Design by David Dear The counter turning crystals create an overlapping pattern of rainbows. Attach the Rainbow Maker to any window that receives direct sunlight. The solar powered mechanism will cause the crystal to rotate and reflect coloured light around the room, creating the appearance of beautiful rainbows. A perfect gift to colour someone's day!
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£30.65 £29.12 |
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Newton's Colour Disc, 200mm, hand spun
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This apparatus was inspired by the work of Sir Isaac Newton (1642-1727) in showing that white light is made from a range of colours called the spectrum. It consists of a circular disc of plastic with narrow wedges of colours in the hues of the rainbow, plus white. The sequence of colours is repeated four times around the disc. If spun at high speed, the colours on the disc will appear to merge into a off-white tinge due to the persistence of human vision.
The 200 mm diameter disc is mounted on an axle... more >>> |
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£26.52 |
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CD/DVD Spectroscope kit
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The performance of this ultra-low cost spectroscope is comparable with instruments typically costing £80. It uses a CD or DVD as a reflective diffraction grating and clearly shows Fraunhofer lines in the spectrum arising from natural light – and distinctive emission bands from artificial sources such as sodium lamps. Differences between fluorescent lighting tubes – e.g., white light or ‘warm’ light types - can be easily identified by their distinctive emission bands.
The spectroscope is made from... more >>> |
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£7.95 |
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6+
