zaca98leandro's channel
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3 days ago
Seminário de Otimização Numérica - 01/03/2012
Departamento de Matemática Aplicada
Professor José Mario Martínez
Imecc - Unicamp
zaca98leandro
liked
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8 months ago
Monsterstäder | Cities on Speed - Bogotá Change (Part 1/6)
During the early 1990's Bogotá was the capital city of Colombia and by far the "worst city in the world". Doomed by corruption, chaos, poverty and ...
zaca98leandro
liked
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9 months ago
MIT Physics Demo -- Bicycle Wheel Gyroscope
A bicycle wheel is suspended from one of end of its axie by a rope, and spun up by hand. The wheel's axle is then placed horizontally and the free ...
zaca98leandro
commented:
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9 months ago
Joshua Johnson Child Prodigy Artist
Joshua paints on the side, but now uses his artistic talents to direct movies as Caleb Johnson at Sonshadow Films. View the trailer for his first m...
zaca98leandro
commented:
I agree with ginab79, and agree that he is a talented drawer, but he really needs to know all kinds of art (classical, modern, etc).
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1 year ago
RSA Animate - Changing Education Paradigms
This animate was adapted from a talk given at the RSA by Sir Ken Robinson, world-renowned education and creativity expert and recipient of the RSA'...
zaca98leandro
commented:
@NevermoreJones Sure, creativity is abundant in societies without public education... I insist, what undermines creativity is ignorance. I and cannot disagree more with you in that it is a waste of time and effort forcing people to learn. I hugely think the opposite, I think that is the best way ...
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1 year ago
DIREITO À VERDADE - O PASSADO OCULTO DE DILMA ROUSSEFF
Conheça alguns dos crimes cometidos por grupos terroristas no Brasil.
zaca98leandro
commented:
Claro que tem. Esse é o ponto.
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About zaca98leandro's channel
Nope, it is spining in the correct sense, as it should spin in the direction of the torque, as the
variation of angular momentum is the torque. torque = r x F, and F is the weight, which
is pointing down.