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I could never quite understand retrograde motion until I watched this video. He makes it so simple!
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wow. he's just so amazing, im literally in love with him...
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some really good stuff here
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love the video really good
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He looks like justin bieber :P
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He changed sticks, I call fake. He also cleaned up after he broke the stick on the first cross. I call mega fake (Joking)
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So interesting. I could listen to Brian talk all day.
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Next, he will explain solar flares using an acorn and some bat guano. :-P
I love this guy!
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OMG i learned something so cool!!!! o.o
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is almost perfect circular orbit...but isn't...amazing...and this little difference have a big results...lol.
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a great way of explaining it
F4Finavon 1 year ago 28
"Understanding the retrograde motion of Mars didn't come easy, that's why it took over 2000 years to work out.. But i'm gonna explain it using a stick and some rocks.."
And he does it so well, that everyone can see!! Such a great communicator! :)
izzithomas 11 months ago 15