MindMap Gallery TOEFL lecture mind map template
Regarding TOEFL lecture mind map, How can it work: muons pass through, dense material, they lose energy. empty space, more muons
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Lecture 1 Mind Map
archeology misconception:NOT just digging
But an array of high tech tools
Rely on particle physics
Mountain detector(interdisciplinary)
what is moun:subatomic particles/cosmic rays
cosmic rays: protons /outerspace in light speed
when collide →small particles
small particles are moun
moun are energized→pass on earth surface→penetrate deep into the surface →that's property
use moun to create pictures
Mayan pyramid in Central America:buried chambers/rooms inside
muon passing through the less dense space
Q&A section
How can it work :
muons pass through, dense material, they lose energy.
empty space, more muons
darker colors in empty spaces
Picture?→x-rays image
if darker areas→empty space
SO ,we can minimize the damage,even a little damage could result in losing crucial information
muon detectors that they improved
In 1967,
no surprises in that experiment but technique worked
problem:
so big(doubted its practicality)
only scan from muon directly above it but not from the sides and placed underneath
didn't take six months to produce an image
conclusion
Muon detectors can also be used in other areas of science.
eg:japanese scientist use muons in much more diverse