Science in Antiquity: Part 1

 

Many modern people have a very limited view of history. They can only see or think about five or ten years into the past. They see history as boring and they think of the ancients as ignorant and backward. This was actually not true. What the ancients lacked was the modern accumulation of facts. An ancient Israelite would have been very puzzled and culture-shocked to have been dumped into the modern world, but he or she could have eventually learned to drive a car or to cook on a stove or to use a cellphone.

The ancients were just as intelligent as we are but the accumulation of scientific facts had not yet reached a critical point. Human knowledge took centuries to double, fact by fact. As knowledge accumulated, the rate of accumulation began to speed up. Every answer exposes a new question. Buckminster Fuller spoke of the Knowledge Doubling Curve which was relatively flat for centuries, then began a slow climb, and then went into an explosive upward thrust.

By the end of the 19^th Century, knowledge was doubling once per century. By about 1945, the rate of doubling was about every 25 years. By 1982, the rate was about every 12-13 months. By 2020, the doubling was occurring about every 12 hours. With at least 50,000,000,000 devices now operating and with the rise of artificial intelligence, the rate may now be in minutes.

 

185 AD/CE: Chinese astronomers report a bright star which faded away after eight months. This is Supernova SN 185 which occurred 8200 years ago in the Centaurus constellation.

Ca 140 AD/CE:  A Chinese surgeon, Hua Tuo, is the first recorded to use anesthesia during surgery.

78-139 AD/CE: Zhang Heng, a Han polymath, works in seismology, hydraulics, astronomy, cartography, poetry, and politics. He invents a functional water clock.

100 AD/CE: 1.  The mathematician Theon of Smyrna says that the Earth is a sphere.

Ca 20 AD/CE:1.  Birth of the Greek scientist, Hero of Alexandria, who did work in theoretical mathematics, mechanics, and physics.  He studied the science of light reflection and invented a rotary steam engine and several pneumatic devices.

              2. Geminus of Rhodes studies astronomy and writes The Theory of Mathematics.

8 AD/CE: Chinese astronomer Liu Xin calculates the solar year as 365.25016 days. He calculates pi as 3.154