BRIDGES; light and sound technology

By karen a frenkel

What did Thomas Alva Edison contribute to the technology of light and sound? Did you know that televisions used to have only black and white pictures? Learn about the latest television technology.... This description may be from another edition of this product.

• Format: Paperback
• ISBN: 141089861X
• ISBN13: 9781410898616
• Release Date: January 2008
• Publisher: benchmark
• Weight: 0.22 lbs.