MIT applied mathematics instructor Karol Bacik and an international team of researchers have pinpointed a precise factor that ...
3 小时
Study Finds on MSNPedestrian Physics: How Tiny Angle Changes Create Chaotic CrowdsIn a nutshell Crowds naturally form organized lanes when most people walk in two main directions, but become chaotic when ...
22 小时on MSN
How gravity causes a perfectly spherical ball to roll down an inclined plane is part of the elementary school physics canon.
19 小时
Interesting Engineering on MSNCentury-old triangle-to-square dissection puzzle finally solved by mathematiciansMathematicians struggled to find the fewest number of pieces needed to cut an equilateral triangle and rearrange it into a ...
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