Important Technological Advances

Important Technological Advances

André Santos nº4 Diogo Arruda nº8 Diogo Mendes nº9

Duarte Vieira nº10 Rodrigo Alves nº25

Introduction

• We're going to take a trip back in time

• We are going to present you some inventions that we use everyday and their evolution

• Some inventions are older and some newer

• We'll also state some uses of them nowadays

• We are going to present you a timeline of some important inventions

Timeline

20th century

8th century

40th century B.C.

Artifical Intelligence

Clock

Whell

19th century

2nd century B.C.

Telephone

Paper

Wheel

• The first wheel was a solid disk used primarily for pottery making

• The wheeled cart was a critical moment in transportantion

• 3500 BC - Invention of the spoked wheel

• Windmils used the rotational power of the wheel to grind grains

• Industrial Revolution - Introduction of steam engines and locomotives

• Nowadays, wheels are still essential to our lives

Paper

• 2nd century B.C. - Paper was invented by Cai Lun in China (Han dinasty)

• Precusors of the paper - Papyrus

• Main features - Transfer, record and archive written information

• Made of natural fibers

• 19th century - Wood pulp was introduced on the production of paper

Clock

• First clock to be invented - Sundial - Egypt, 3500 B.C.

• Clocks, as we know them, were created in 750 A.C.

• In the industrial revolution, clocks became electric.

• 1930 - First watch was invented. They used quartz crystals to mark the time

• Mechanical watches wear out and drift over time

• Nowadays, we have electronic watches and smartwatches

Telephone

• 1876 - First telephone to be invented - Alexander Grahm Bell

• Constituied by a microphone and a earphone

• Used by organizations and the governament

• 1973 - First handheld phone was created

• The introduction of mobile phones ended the restriction of connecting cables on the ends of the line

• Now, smartphones have lots of built-in features, and it's capable of doing anything.

Artificial Intelligence

• Alan Turing - The "father" of AI

• 1956 - The concept of AI was created by Alan Turing

• Humans already thought of AI even before techonolgy

• 1950 - Turing Test was introduced on Turing's study

• The advances of AI raised many ethical and moral questions

• Nowadays, we can do basically everything with Artificial Intelligence

Conclusion

• Despite some being very old, some inventions are still being used to this day.

• Some inventition served a interially different propose than they do today.

• We are going to present you a timeline of some important inventions