today in class we had two visitors, David Webb and his assistant. When i first walked in i noticed a bunch of random things over it the lab. everything from coca cola bottles and weights to balloons. through the class David Webb picked voulenteers form out class and had them participate in his labs. all the labs had something to do with the atmosphere. in a lot of his expiriments he used a vacuum. not a vacuum used to clean your house but a chemistry vacuum. the vacuums showed us how objects act in different atmospheres with different air pressures. i thought it was really cool to learn about how things happen in space and why humans wouldnt be able to live there. Overall it was probally one of the coolest days in chemistry.
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