Historical Antecedents of S&T in the World and in the Philippines Flashcards
They invented ink by combining soot from wood smoke and
animal fat, thickened with gelatin from skins or different
chemicals to produce inks of different colors. It must withstand
the elements of nature and tamper proof.
Ink
The study and practice of making maps.
2 Cartography
Anaximander was the first of the ancient Greeks to draw a map
of the known world and as such he is considered to be one of
the first cartographers
2 Cartography
For writing purposes: Important because it was use for record
keeping (most common)
Inventor/s: Ancient Egyptians
papyrus
The Chinese also developed a new process in paper making
which was credited to
Cai Lun in around 105CE
Functions:
- Metal shaping
- Agriculture
- Milling = to grind grain
water mill
Function: indicates the time of the day
and for the sake of hemicycle, it
specifies seasons as well as the time of
day.
sundial
2000 years old Earthquake Detector: Invented by Chinese
astronomer Zhang Heng in 132 AD.
doomwatch dragons/seismoscope
A modern replica of Zhang
Heng’s famous seismoscope is named
Houfeng Didong
-used to protect the skin from the sun
repel flies and ward off infections, among other things)
-offer protection against evil (eyes without makeup
were thought to be vulnerable to the evil Eye)
kohl
Inventor: Johannes Gutenberg
Function or Purpose:
● To address the need for publishing books that would spread
information to many people at a faster rate
● Also made works accessible to individuals who could not even
write
printing press
Inventor: Ancient Chinese Alchemist
Around 850 AD, ancient Chinese alchemist were
experimenting with potassium nitrate, charcoal, and sulfur, as
they were trying to find
a potion for immortality but ended up creating an explosion. It
was initially used for
fireworks before used in warfare.
Later named as Gunpowder in the Middle Ages.
blackpowder
Inventor: Alessandro Della Spina
Function or Purpose:
● The ground quartz magnifying lenses could help people with
long and short sight
Eyeglasses/Spectacles
Inventor: Zacharia Janssen
Function or purpose: Humans can see smallest things as wide as
a hair, suddenly we
saw a new world of living things in our water in our food and etc.
Microscope
Paper bills were first used by the Chinese, who started carrying
folding money during the Tang Dynasty (A.D. 618-907) — mostly
in the form of privately issued bills of credit or exchange notes.
They made paper money because their devalued coins were
becoming too heavy to carry
Paper Money
Inventor: Liutprand (French Monk - 8th Century AD)
Function or Purpose:
● Used to measure the passage of time
● It was ideal for ocean travel because the bobbing
waves didn’t affect its accuracy
Hourglass
Inventor: Shu Han, Zhuge Liang
Function or purpose: is designed to be pushed and
guided by a single
person using two handles to the rear or a sail may be used to
guide the ancient
by wind. The modern user of the lifts
up the handles and
pushes the device forward, using the wheel to lighten the load.
may be
used to transport garden soil.
Wheelbarrow
Inventor: James Hargreaves
Function or purpose:
Early machine for turning fibre into thread or yarn
Spinning wheel
Inventor: Nick Holonyak in 1962
Function / Purpose: It is a semiconductor device made up of
gallium arsenide phosphide that emits visible light when an
electric current passes through it. The output can range from
red to blue-violet according to its wavelength.
LED Light
Invention: Light-emitting Diode
Inventor: Raymond Vahan Damadian
Function or Purpose: Radiologic way of forming images of the
anatomy and physiological processes of the human body in both
health and disease.
magnetic resonance imaging scanner
Inventor: Alexander Graham Bell
Function or purpose: Device that converts sound and electrical
waves into audible relays and is used for communication.
Telephone
Frank McNamara in 1949
while he was having dinner at a restaurant in New York City.
When it was time to pay the bill, McNamara realized he had
forgotten his wallet. McNamara negotiated his way out of
washing dishes to pay for his dinner by signing for it instead and
promising to pay the restaurant back.
19 Credit Card
Inventor: David Gow (1993)
Function or Purpose:
To give a replacement arm to those who lost their arm from an
accident, disease or war.
Bionic Arm
(Bioprosthetics)
Inventor: Charles W. Hull (1984)
Function or Purpose:
> turn digital files containing three-dimensional data—whether
created on a CAD or CAM program, or from a 3D scanner—into
physical objects.
3D Printing