Alexander Graham Bell

Описание

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Alexander Graham Bell (March 3, 1847– August 2, 1922) was a Scottish-born scientist, inventor, engineer, and innovator who is credited with patenting the first practical telephone.

TABLE OF CONTENTS:
0. Introduction (00:00:00)
1. Early life (00:01:08)
............1.1. First invention (00:02:07)
............1.2. Education (00:05:02)
............1.3. First experiments with sound (00:06:40)
............1.4. Family tragedy (00:09:44)
2. Canada (00:12:15)
3. Work with the deaf (00:14:15)
4. Continuing experimentation (00:16:57)
5. Telephone (00:19:23)
............5.1. The race to the patent office (00:22:21)
............5.2. Later developments (00:26:38)
............5.3. Competitors (00:29:56)
6. Family life (00:34:05)
7. Later inventions (00:38:29)
............7.1. Photophone (00:40:41)
............7.2. Metal detector (00:41:47)
............7.3. Hydrofoils (00:43:47)
............7.4. Aeronautics (00:46:04)
8. Eugenics (00:49:48)
9. Legacy and honors (00:51:18)
10. Death (00:59:42)

Source: https://en.wikipedia.org/wiki/Alexander_Graham_Bell
Date: 02/23/2017

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