Galileo
Telescope
November 1609 took telescope toy and pointed it at the night sky
DID NOT INVENT: he modified the instrument by adding lenses
Saw the four moons of Jupiter
saw that our moon had bumps
Fame
In 1610 he wrote "The Translation of the Starry Messenger" and became famous
Experiments
Inclined plane
slows down speed at which things fall to measure relation between distance and time
Pendulum
mathematical relationship that measures the speed at which planets revolve
Modern science of Physics
explains Science In Motion
4 Steps of Science
1. Observe something in nature and think about it, hypothesize
2. Come up with a way to test hypothesis
3. Test hypothesis through experimentation
4. Publish results and tell people
If hypothesis disagrees with experiments, it is wrong
Martyr for science
someone who is killed for his beliefs
Holy Bible can never be untrue
Galileo saw that his way of understanding the world helps us define the divine truths
Church absorbed nautral philosophy for so long and Galileo was challenging the Roman teachings of the Earth.
He thought that anyone who disagreed with him was either stupid or out to get him
Genius at insulting people: Insulted the Pope of Rome
4 Lecture Questions
What is a scientist?
a person who is studying natural or physical science
What is science?
study of behavior of the natural or physical world through observation and experimentation
What is "good" science?
science that is supported by experiments
What makes science different?
science is based on observation and experimentation unlike philosophy whcih is based on theory