German design collective Urbanscreen projects images onto the sails of the Sydney Opera House at the opening night of the Vivid Festival in Sydney. Vivid Sydney, a festival of light, music and ideas, will run until June 11.
Photos via (Daniel Munoz/Reuters, JAM Project, Sydney Opera House Facebook)
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I don’t rememberLeonard Cohen (via goodtimesunshine)
lighting this cigarette
and I don’t remember
if I’m here alone
or waiting for someone.
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Loneliness adds beauty to life. It puts a special burn on sunsets and makes night air smell better.Henry Rollins
(via forgotsomething)
“I feel like I’m looking out at the ocean, you know?”
“I described my summer as a void to James, this great empty terrifying space, like I’d drop into it. But the ocean is just as enormous, just as frightening, but the opposite of empty. It’s the great fullness— beyond being a symbol for my summer, it’s real, it’s along the edges of this blessed country. It’s swallowing us gently up. That’s what my summer is— not dropping into a metaphorical abyss but driving to Rehoboth Beach with Aunt Mary and dipping my toes in the Atlantic. My summer is real; “unimaginable” was the wrong word. I can imagine the ocean, but I can’t conceive it… not more than the shoreline, not until I’m submerged, and by then it doesn’t even matter.”
Looks like I listen to Joan Armatrading now.
Almost everyone is familiar with the problem of coffee or tea sloshing over the sides of a mug as one walks, but this may be the first time researchers have systematically studied the problem. The results show that the typical frequency of the human stride closely matches the natural frequency for back-and-forth sloshing of a low-viscosity liquid in a cylindrical container the size of a typical coffee mug. Even though our natural side-to-side motion plays a role in coffee sloshing, its effect is small in comparison. A person’s maximum acceleration, which usually happens early on when walking, sets the initial sloshing amplitude, which is subsequently amplified by the stepping frequency. The researchers did find that the time to spill increased substantially if the subject was focused on not spilling the coffee, though it was unclear if this was due to the subject decreasing their acceleration and step frequency, or whether they were actively damping the oscillations with adjustments in the wrist. If you’re a perpetual coffee spiller, there’s still hope: the authors suggest that flexible cups and/or cups with a series of concentric rings—baffles—could help reduce sloshing in spite of our natural tendency to induce it. (Photo credit: dongga/Flickr; Paper: Mayer and Krechetnikov; submitted by @__pj)
I complain a lot about having had to take Oscillations and Waves, but I’m glad that I can understand this (rudimentary) science because it happens to me ALL THE TIME.
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