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October 16 2017

06:52
2189 3f1c

October 13 2017

16:13
0687 a5b6
16:12
0688 888e 500
Reposted byWarpRiderSzczureknitroventalexandersmith8805hormezatentacleguymetafnordflauschfisch
15:27
0689 2427 500
15:24
0690 64c0
15:23
0691 3d3b 500

fuckyeahfluiddynamics:

Have you ever wondered just how detergents are able to get grease and oil off a surface? This simple example demonstrates one method. In the top image, a drop of oil sits attached to a solid surface; both are immersed in water. An eyedropper injects a surfactant chemical near the oil drop. This lowers the surface tension of the surrounding water and allows the mixture to better wet the solid. That eats away at the oil drop’s contact with the surface. It takes awhile – the middle animation is drastically sped up – but the oil droplet maintains less and less contact with the surface as the surfactant works. Eventually, in the bottom image, most of the oil drop detaches from the surface and floats away.   (Image credits: C. Kalelkar and A. Sahni, source)

15:22
0692 a1af 500
15:19

n2r:

that awkward moment when you’re wearing nike and you can’t do it.

15:17
0693 31ca
14:48
0694 b06a
14:46
0695 e9f5 500
16:13
0687 a5b6
16:12
0688 888e 500
Reposted byWarpRiderSzczureknitroventalexandersmith8805hormezatentacleguymetafnordflauschfisch
15:27
0689 2427 500
15:24
0690 64c0
15:23
0691 3d3b 500

fuckyeahfluiddynamics:

Have you ever wondered just how detergents are able to get grease and oil off a surface? This simple example demonstrates one method. In the top image, a drop of oil sits attached to a solid surface; both are immersed in water. An eyedropper injects a surfactant chemical near the oil drop. This lowers the surface tension of the surrounding water and allows the mixture to better wet the solid. That eats away at the oil drop’s contact with the surface. It takes awhile – the middle animation is drastically sped up – but the oil droplet maintains less and less contact with the surface as the surfactant works. Eventually, in the bottom image, most of the oil drop detaches from the surface and floats away.   (Image credits: C. Kalelkar and A. Sahni, source)

15:22
0692 a1af 500
15:19

n2r:

that awkward moment when you’re wearing nike and you can’t do it.

15:17
0693 31ca
14:48
0694 b06a
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