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Kaleidoscope
Содержание
- 1. Kaleidoscope
- 2. History Sir David Brewster began
- 3. Initially intended as a
- 4. A Kaleidoscope operates on the principle of multiple reflection, where several mirrors are together.
- 5. Modern kaleidoscopes are made of brass tubes, stained glass, wood, steel, gourds or almost any material an artist can use.
- 6. The part containing objects
- 7. Sometimes the object cell is filled with
- 8. Kinds of kaleidoscopesA pentagonal dodecahedronA hexahedron (cube)A true sphere
- 9. A tetrahedronAn icosahedronA spiky icosahedron
- 10. A torusThe next kaleidoscope is named "Saturn's Ring."Another cube
- 11. IndustryMost kaleidoscopes are mass-produced from inexpensive materials,
- 12. Craft galleries often carry a few kaleidoscopes,
- 13. Понравилась презентация? Скажи спасибо! Рада помочь! http://vk.com/kfurman
- 14. Скачать презентанцию
History Sir David Brewster began work leading towards invention of the kaleidoscope in 1815 when he was conducting experiments on light polarization. His initial design was a tube with
Слайды и текст этой презентации
Слайд 3 Initially intended as a scientific tool, the
kaleidoscope was later copied as a toy. Brewster later believed
he would make money from this popular invention; however, a fault in his patent application allowed others to copy his invention.
Слайд 4A Kaleidoscope operates on the principle of multiple reflection, where
several mirrors are together.
Слайд 5Modern kaleidoscopes are made of brass tubes, stained glass, wood, steel, gourds or almost any material
an artist can use.
Слайд 6 The part containing objects to be viewed
is called the 'object chamber' or 'object cell'.
Object cells may
contain almost any material. 
Слайд 7Sometimes the object cell is filled with a liquid so
the items float and move through the object cell in
response to a slight movement from the viewer.
Слайд 11Industry
Most kaleidoscopes are mass-produced from inexpensive materials, and intended as
children's toys. At the other extreme are handmade pieces that
display fine craftsmanship.
Слайд 12Craft galleries often carry a few kaleidoscopes, while other enterprises
specialize in them, carrying dozens of different types from different
artists and craftspeople.
