Tête-à-Tête Façade—Villa Beautiful
Concept house (unbuilt)
Los Alamos scientist sitting next to the worlds first atomic bomb shortly before the Trinity test. July 16, 1945
© Yale Joel / Getty Images, Nov. 1951, People race from the floor of the New York Stock Exchange during an air raid drill
Knocking down a concrete building usually takes brute force: Wrecking balls, huge excavators, or explosives rip apart walls while fire hoses spray water to keep the clouds of dust down. It’s an energy-intensive process, and after everything’s been torn apart, the concrete often ends up in a landfill or has to be trucked to a recycling facility. But a new concrete-erasing robot may eventually transform the messy business of demolition.
The Jamaica-Van Wyck Station on the E Line.
Veritasium’s new video has an awesome demonstration featuring acoustics, standing waves, and combustion. It’s a two-dimensional take on the classic Rubens’ tube concept in which flammable gas is introduced into a chamber with a series of holes drilled across the top. Igniting the gas produces an array of flames, which is not especially interesting in itself, until a sound is added. When a note is played in the tube, the gas inside vibrates and, with the right geometry and frequency, can resonate, forming standing waves. The motion of the gas and the shape of the acoustic waves is visible in the flames. Extended into two-dimensions, this creates some very cool effects. (Video credit: Veritasium; via Ryan A.; submitted by jshoer)
To speak of diversity, in light of this country’s history of racial recidivism, is to focus on bringing ethnic variety to largely white institutions, rather than dismantling the structures that made them so white to begin with. And so, sixty years after Brown, it is clear that the notion of segregation as a discrete phenomenon, an evil that could be flipped, like a switch, from on to off, by judicial edict, was deeply naïve…For the tragedy of this moment is not that black students still go to overwhelmingly black schools, long after segregation was banished by law, but that they do so for so many of the same reasons as in the days before Brown.
Shifu is a kind of Japanese cloth which is woven from paper yarn. Usually the weft yarn is hand twisted from washi or paper and the warp yarns are of another material, in this case it’s indigo dyed cotton.
Via Sri Threads
The National Maritime Union Building (now the Maritime Hotel, 1966), New York, by Albert C. Ledner. / Flickr