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In this talk, Adam Savage walks through two spectacular examples of profound
scientific discoveries that came from simple, creative methods anyone could have
followed -- Eratosthenes' calculation of the Earth's circumference around 200 BC and
Hippolyte Fizeau's measurement of the speed of light in 1849.
Questions:
1. At what time on the solstice, the shadow of the person's head looking at the well
blocks the sun?
Answer:
According to Savage, Eratosthenes noticed that the shadow of a person's head staring
down a well obstructed the light at noon on the solstice.
This was said at 1:46 of the video.
2. Share a question, as simple or as complicated as you want, preferably related to
science, or about something you think it could be answered through scientific inquiry,
about something you would like to know? For example, why do sharks have a skeleton
made of cartilage? or why does our body stop growing in size after certain age? why do
cry when something hurts? ...
Answer:
Is there a parallel universe?
What’s at the bottom of the ocean?
How do our bodies heal themselves?
When birds land on electric wires, why don't they get electrocuted?
Why is the sky blue?

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In this talk, Adam Savage walks through two spectacular examples of profound scientific discoveries that came from simple, creative methods anyone could have followed -- Eratosthenes' calculation of the Earth's circumference around 200 BC and Hippolyte Fizeau's measurement of the speed of light in 1849. Questions: 1. At what time on the solstice, the shadow of the person's head looking at the well blocks the sun? Answer: According to Savage, Eratosthenes noticed that the shadow of a person's head staring down a well obstructed the light at noon on the solstice. This was said at 1:46 of the video. 2. Share a question, as simple or as complicated as you want, preferably related to science, or about something you think it could be answered through scientific inquiry, about something you would like to know? For example, why do sharks have a skeleton made of cartilage? or why does our body stop growing in size after certain age? why do cry when something hurts? ... Answer: • Is there a parallel universe? • What’s at the bottom of the ocean? • How do our bodies heal themselves? • When birds land on electric wires, why don't they get electrocuted? • Why is the sky blue? Name: Description: ...
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