Compact Disk CDs

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Inventions
By Casey Beswick
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Compact Disks (CD's)

• Created in 1965
• Uses light to play
• Made by a photosensitive platter which has binary
  dots which look like lines. It spins in you CD
  player and a laser hits the dots which it plays
  on.

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Liquid Paper

• created by Bette Graham in 1956
• made by white paint
• first used on type writers.
• helped people cover up pen mistakes

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Scotch Tape

• Made of rubber, glue, oils, and resins on a
  coated cellophane backing.
• It with stands humidity and temperatures.
• It it also waterproof.

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Silly Putty
Silly Putty

• Invented in 1945 by James Wright
• Silly Putty is made by boric acid and silicone
  oil.

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Silly Putty (Continue)

• Was invented accidentally
• has clamed to bounce farther than rubber

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Putty (Continue)

• This Silly Putty has kept little kids entertained
  while bored, on trips to places, and anywhere
  they want.
• Copies anything you put it on. (Newspapers,
  magazines, books, etc. etc.

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Continue on Compact Disks

• Was invented by James Russell
• These CDs keep kids busy while they do their
  homework or while they just sit around.

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Bibliography

• http//web.mit.edu/invent/www/inventarchive.html1
  .com
• I found my pictures and my information here.
• I found my backgrounds, fonts, and colors at
  Microsoft PowerPoint.

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TheEnd