5. The Ancient Science and Technology in Sri Lanka
Introduction
Science is understanding and interpreting the
elements that affect the function of the nature.
It is a process based on experience. Though
it was not discussed in the sense of science,
many ancient societies had realized the
fundamentals of nature and used them in their
day-to-day activities. Even in the historical
society of Sri Lanka, scientific ideas were in
use. In this lesson, we expect to explain the
nature of such ideas and the way that they were
used practically and to emphasize the scientific
nature of our historical heritage through them.
5.1 Early Stages of Scientific Ideas
By identifying what Sri Lankans did from ancient
time, we can realize the nature of the vision, which
was the background of those work. When some
of such activities are examined carefully, it is clear
that some of such things had been done thinking
scientifically. When working with nature, being
knowledgeable on its fundamentals, is necessary.
The success of the activities from making a
tomb to constructing huge irrigation systems
depends on understanding fundamentals of the
nature correctly, which is needed to keep them
for a longtime. In this chapter we will discuss
the scientific ideas that existed in Sri Lanka and
the nature of the technical approaches which
were followed to put those scientific ideas into
practice.
We have seen that when something is thrown
up, it falls down. It is a characteristic of the
nature. There is a fundamental which affects
that characteristic. Scientists introduce it as
gravitation. Scientists have proved through
experiments that everything is attracted in a
certain space limit on earth. If someone wants
to find its truth, he or she can experiment and
substantiate it. That is the nature of science.
The normal order, which is followed in doing
something scientifically, is understanding
the fundamentals in nature correctly and
substantiating them by examining. After
examining, what needs to work practically, using
the fundamentals of the nature, is technology.
It is a fundamental in physics that the different
types of energies in nature cannot be destroyed,
but they can be transformed to other energies.
Accordingly, transforming electric power into
kinetic power and making an electric fan is a
technical substitute.
Some of the instances, which reflect how the
ancient Sri Lankans had acted to apply the
fundamentals of nature after having understood
them, belonged to the prehistoric era. 28000
years ago symmetrical stone tools were made
up of alabaster named ‘ground-glass’. Those
symmetrical stone tools reflect the then prevailed
organized technology to shape up those hard
stone. This technology with which tools are
made after removing stone splinters by using
much power is called pressure slating.
The early stages of applied science were reflected
in the prehistoric age and it became matured in
the proto-historic age that came next. Given be-
low are some instances which describe the na-
ture of the scientific ideas that prevailed during
that age.