INTRODUCTION

SUB SAHRAN CONTRIBUTES TO SCIENCE

• The first method of counting
• Abacus made by africans about 35,000 years ago

ADVANCEMENT TO THE CALCULATOR

• Now we use digitized calculators and hand held calculators

CALENDAR AND CLOCK

• African stonehenge was the first accurate calender made by the dogon people
• Sundial was the first accurate clock

ADVANCEMENT TO CALENDARS AND CLOCKS

• Now we use ipads, phones and paper calendars

FURNACE

• The sub saharans furnace could reach 1,800 Celsius 200 to 400 more than any other furnace
• They used it to melt metals

ADVANCEMENT TO FURNACES

• Now we use gas and coal furnaces to melt things

REED-BASED BOATS

• The sub saharan africans were the first people to sail the ocean to asia and south america

ADVANCEMENT TO BOATS

• Now we have paddle and motor boats and sail boats

Timeline

BIBLIOGRAPHY

• Asbmb.org/asbmbtoday/asbmbtoday_article.aspx?id=32437