Important inventions

1.

Important
inventions

2.

Printing press

3.

Johann Gutenberg
• the father of printing
• 1440
• What was new?
1.
2.
3.
4.
Litera
Press
Alloy (metals)
Printing ink

4.

The Gutenberg Bible

5.

Invisible glass

6.

Catherine Blodgett
• worked for the largest company, General Electric,
with Irving Langmuir
• Chemistry of thin films
• the technology for making glass, in which it
passed more than 99% of the light
• In 1939, its invention was used in the cinema, and
now such glass is used in lenses, telescopes, car
windows and glasses.