D: I guess, I know him.
He is the inventor of
Coca-Cola. In 1886 he relied in Atlanta druggist to
test and help him perfect the recipe for the beverage,
which he formulated by trail and error. With the help
of druggist, he worked out
a set of directions for its
preparation that eventually included blending the base
syrup with carbonated water by accident when trying
to make another glass.
R: Yes, you know about him. What about Wilhelm
Conrad Röntgen? Have you heard about him before?
D: yes, he is the scientist who dealt with x-rays.
R: In 1895 when he was performing an experiment
using cathode rays, he realized that some fluorescent
cardboard across the room
was lighting up in spite
o f the fact that there was a thick block between the
cathode ray and the cardboard. The only explanation
was that light rays were actually passing through the
solid block.
D: And nowadays it’s
used as widely in medicine
as penicillin. Do you know the inventor o f it?
R: No, and who is he?
D: Sir Albert Fleming. In 1928 Fleming noticed
a Petri dish containing Staphylococcus plate culture
he
mistakenly left open, was contaminated by blue
green mould, which formed a visible growth. Fleming
concluded the mould
released a substance that
repressed the growth and lying the bacteria. He grew
a pure culture and discovered it was a penicillium
mould.
R: Our daily lives are governed by inventions.
From what we wear to the food we eat and our methods
o f travel - it’s all been invented or significantly altered
by inventions.
D: Yes, and sometimes
an invention comes along
that doesn’t just change the way we do things but
changes the world. Thank you, Rustam for your help.
R: Not at all. Now I have to go, I have classes. See
you.
D: See you.
