2. ⬜ THE HISTORY OF SCIENCE AND TECHNOLOGY IN THE INDIAN
SUBCONTINENT BEGINS WITH PREHISTORIC HUMAN ACTIVITY THE INDUS
VALLEY CIVILLIZATION TO EARLY STATES AND EMPIRES
⬜ THE RELIGIOUS TEXTS OF THE VEDIC PERIOD PROVIDE EVIDENCE FOR
THE USE OF LARGE NUMBERS
⬜ BY THE TIME OF LAST VEDA, THE YAJURVEDASAMHITA (1200 – 900 BCE).
NUMBERS ARE AS HIGH AS {10^[12]} WERE BEING INCLUDED IN THE
TEXTS
INTRODUCTION
3. A COUNTRY WITH RICH CULTURAL BACKGROUND HAD A SOUND
ATMOSPHERE THAT ENCOURAGED RESEARCH IN VARIOUS ASPECTS OF LIFE.
SOME OF THE SCIENTISTS WHO PLAYED A STELLAR ROLE IN TAKING THIS
COUNTRY TO A DIFFERENT DIMENSION ARE CATOGARISED IN FIELDS LIKE :
• ASTRONOMY
• MEDICINE & YOGA
• CHEMISTRY
• AGRICULTURE & GEOLOGY
• ARCHITECTURE
• MATHEMATICS
5. ASTRONOMY
❖ BHASKARACHARYA :
A. PERIOD - 1114 AD
B. INVENTIONS - CALCULUS METHOD
• - MEASURE OF PLANETARY MOTION
C. BOOKS – 1) SIDDHANT SHIROMANI
2) LEELAVATI
3) KARNAKUTUHAL
❖ YADNYAVALKYA :
A. PERIOD : 1800 BC
B. INVENTIONS :
DIAMETER
DIST. FROM EARTH
RATIO
MOON
IN MILES
2160
234000
108
SUN
IN MILES
864000
9350000
0
108
7. ❖ KANAD :
A. PERIOD : 620 AD
B. INVENTIONS : 1) MATTER IS INDIVISIBLE, INVISIBLE,
• UNCHANGED & UNDESTROYABLE
2) HEAT CHANGE CHARACTERS OF ATOM
3) CONCEPT OF CHEMICAL CHANGE
C. BOOK : VAISHESHIK SUTRAS OF KANADA
D. SPECIALITY : FATHER OF CHEMISTRY
❖ NAGARJUNA :
A. PERIOD : 931 AD
B. INVENTIONS : GLASS, NATURAL COLOURS, CRYSTALS
C. BOOKS : 1) RASARATNAKAR 2)AAROGYAMANJIRI
• 3) YOGSAAR 4) YOGSHATAK
D. SPECIALITY : A WELL KNOWN CHEMIST AS WELLAS
• BUDDHIST PHILOSPER
Chemistry
8. ❖ VARAHAMIHIRA :
A. PERIOD : 499 AD TO 587 AD
B. INVENTIONS : GROUND WATER LEVELS
C. SPECIALITY : FAMOUS FOR HIS STUDIES IN
ENVIRONMENT & GEOLOGY AS WELL AS WE
PREVIOUSLY
• GOT THROUGH HIS ASTRONOMICAL
• INVENTIONS
Geology
9. ❖ DHANVANTARI :
A. CONSIDERED AS GOD OF MEDICINE
B. GURU OF FAMOUS ANCIENT SERGEON SUSHRUTA
C. THERE IS A MYTH THAT GURU DHANVNTARI CAME OUT
• AT THE TIME OF CHURNING OF OCEAN AS
• “ AMRUTA KALASHA ”
❖ SUSHRUTA :
A. PERIOD : 100 AD
B. INVENTIONS :ANTISEPTIC SURGERY, ANESTHESIA
• SURGERY, CATARACT, KIDNEY TRANSPLANT, SUTURES
A. BOOKS : SUSHRUTA- SAMHITA
B. SPECIALITIES : A FAMOUS PROFESSOR OF AYURVEDA &A
• MASTER SURGEON
Medicine and Yoga
![⬜ THE HISTORY OF SCIENCE AND TECHNOLOGY IN THE INDIAN
SUBCONTINENT BEGINS WITH PREHISTORIC HUMAN ACTIVITY THE INDUS
VALLEY CIVILLIZATION TO EARLY STATES AND EMPIRES
⬜ THE RELIGIOUS TEXTS OF THE VEDIC PERIOD PROVIDE EVIDENCE FOR
THE USE OF LARGE NUMBERS
⬜ BY THE TIME OF LAST VEDA, THE YAJURVEDASAMHITA (1200 – 900 BCE).
NUMBERS ARE AS HIGH AS {10^[12]} WERE BEING INCLUDED IN THE
TEXTS
INTRODUCTION](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)