Hidden strength of a spider’s web( @ MIT news)

The silk that spiders use to build their webs, trap their prey and dangle from your ceiling is one of the strongest materials known. But it turns out it’s not simply the material’s exceptional strength that makes spider webs so resilient; it’s the material’s unusual combination of strength and stretchiness — silk’s characteristic way of first softening and then stiffening when pulled.

These properties, scientists have found, vary depending on the forces applied, as well as on the overall design of the web.

Markus Buehler, an associate professor of civil and environmental engineering (CEE) at MIT, has previously analyzed the complex, hierarchical structure of spider silk and its amazing strength — on a pound-for-pound basis, it’s stronger than steel. Now,

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A Robot can build it for you

Jeremy Blum '12 holds one version of a prototype robot(Credit: Lindsay France/University Photography)

(Extract From Science Daily)

Armies of Robots are coming to crawl up the towers and skyscrapers to make repairs;In near future, human beings don’t have to, leading to less safety concerns, of course speed,economy results.

Hod Lipson, an associate professor of mechanical and aerospace engineering, and of computing and information science at Cornell University,as his Creative Machines are going on with their latest

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A 30 storey sustainable model building built in just 360 hours

It is not a fairy tale! The prefabricated building , the five-star T30 Hotel at Dongting lake, Hunan province became an internet sensation after time-lapse video posted online showed it being constructed by 200 builders in just 360 hours.

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