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Under the right conditions, a bursting bubble on a liquid surface does not simply vanish, but creates a perfect ring of tiny "daughter bubbles"...

2010-06-10

 bubble physics burst drop time moment fractal
As web companies strive to tailor their services (including news and search results) to our personal tastes, there's a dangerous unintended consequence: We get trapped in a "filter bubble" and don't get exposed to information that could challenge or broaden our worldview. Eli Pariser argues powerfully that this will ultimately prove to be bad for us and bad for democracy...

2011

 filter bubble privacy TED social network exploitation misuse personalization censorship manipulation spying surveillance bias
Irish mathematicians may have solved the mystery of why bubbles in stout beers such as Guinness sink: it may simply be down to the glass. Simulations suggest an upward flow at the glass's centre and a downward flow at its edges in which the liquid carried the bubbles down with it. But the reasons behind this flow pattern remained a mystery...

2012-05-29

 beer glass bubble carbon dioxide nitrogen flow