Mon, Feb 27, 2017 | updated 12:49 PM IST

'Indestructible' bridges come closer to reality

Updated: Jul 14, 2016 12:48 IST

Washington D.C, Jul 14 (ANI): Soon, we might have bridges that cannot be destructed.

The University of Warwick researchers have taken a design process called 'form-finding', inspired by the natural world, to another level.

Form-finding enables the design of rigid structures that follow a strong natural form - structures that are sustained by a force of pure compression or tension, with no bending stresses, which are the main points of weakness in other structures.

This could, for the first time, lead to the design of bridges and buildings that can take any combination of permanent loading without generating complex stresses.

Such structures will have enhanced safety, and long durability, without the need for repair or restructuring.

Researcher Wanda Lewis has been developing mathematical models that implement nature's design principles and produce simple stress patterns in structures. The principles behind her mathematical models are illustrated using physical form-finding experiments involving pieces of fabric or chains, for example.

A piece of fabric is suspended and allowed to relax into its natural, gravitational, minimum energy shape; then that shape is frozen into a rigid object and inverted. She finds the coordinates of this shape through computation by simulating the gravitational forces applied to the structure. This produces a shape (a natural form) that can withstand the load with ease.

Lewis argues that "nature's design principles cannot be matched by conventional engineering design."

While classical architectural designs are appealing to the eye, they aren't necessarily structurally sound: "aesthetics is an important aspect of any design, and we have been programmed to view some shapes, such as circular arches or spherical domes as aesthetic. We often build them regardless of the fact that they generate complex stresses, and are, therefore, structurally inefficient," said Lewis.

The work is published in the Proceedings of the Royal Society. (ANI)

New clues found for nuclear waste cleanup

Updated: Feb 24, 2017 09:35 IST

Washington D.C. (USA), Feb. 24 (ANI): According to a study, the research being done on the chemistry of technetium-99 has boosted the understanding of the challenging nuclear waste and can lead to better cleanup methods.

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Washington D.C. [US], Feb. 24 (ANI): US researchers have suggested that specially trained dogs can be used to find wide-ranging species that are often threatened, sepecially cheetah in a region of Western Zambia.

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Washington D.C. [USA], Feb. 23(ANI): NASA's Spitzer Space Telescope has revealed the first known system of seven Earth-size planets around a single star. Three of these planets are firmly located in the habitable zone, the area around the parent star where a rocky planet is most likely to have liquid water.

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Noida (Uttar Pradesh) [India], Feb.22 (ANI): Germany's Alexander von Humboldt (AvH) Foundation has handed over equipment worth € 20, 000 to Amity University for accelerating research initiatives.

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Washington D.C. (USA), Feb 21 (ANI): The world's first battery to use only hydronium ions as the charge carrier has been been developed by scientists.

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Washington D.C. (USA), Feb. 21 (ANI): According to a new study, Carnegie's Stephen Elardo and Anat Shahar shows that interactions between iron and nickel under the extreme pressures and temperatures similar to a planetary interior can help scientists understand the period in our Solar System's youth when planets were forming and their cores were created.

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Washington D.C. [USA], Feb. 18 (ANI): To boost breeding of endangered poultry breeds, Briton researchers have come up with gene-editing techniques for the rare breeds to use them as surrogates that cannot produce their own chicks.

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Meet 'Bernardbowen'- the new minor planet

Updated: Feb 18, 2017 07:00 IST

Washington D.C. [USA], Feb. 18 (ANI): In a major development, a team of scientists have officially named a minor planet as 'Bernardbowen' that sits in the asteroid belt between Mars and Jupiter.

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New York [USA], Feb. 17 (ANI): NASA has called on the world to help it in the search for the new ninth planet, as anyone from a kindergartener to a 95-year-old, can participate in their new project to find the not-yet-discovered celestial body.

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Washington D.C. [USA], Feb. 9 (ANI): To cut down the number of traffic fatalities, drive less!

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Washington D.C. [USA], Feb. 8 (ANI): According to an international team of astronomers led by researchers from University Of Cambridge, the Magellanic Clouds, the two largest satellite galaxies of the Milky Way, appear to be connected by a bridge stretching across 43,000 light years.

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Washington D.C. [USA], Jan. 25 (ANI): A team of researchers have discovered prehistoric wolf-sized otter fossils with a large head and a powerful jaw, weighing around 100 pounds, in China's Yunnan province.

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Washington D.C. [USA], Jan. 25 (ANI): A study finds that early identification of hearing loss in newborn due to a disease or physical abnormality by birth may help them in better language outcomes as they grow.

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Chennai [India], Jan.14 (ANI-Businesswire India): While "Jallikattu" seems to be the trending topic of discussion in Tamil Nadu at the moment, a silent revolution envisioned by youth icon and late Former President of India, Dr. APJ Abdul Kalam has quietly gained momentum. Ignite-India is a nation-wide innovation platform for student innovators and young entrepreneurs in high schools and colleges. Founded by International swimmer Agnishwar Jayaprakash in 2014, the organization has designed & hosted 96 Regional Innovation Conferences and 3 National Innovation Conferences across 36 cities in India where students competed to showcased their innovative creations. These innovations were judged based on the practicality, creativity & sustainability by technical experts from diverse fields.

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New Delhi [India], Jan. 13 (ANI): New computer simulations have shown that tiny droplets of sulphuric acid resulted in long-lasting cooling, which was a likely contributor to the death of land-living dinosaurs.

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New human organ in digestive system discovered

Updated: Jan 05, 2017 06:27 IST

New Delhi [India], Jan. 5 (ANI): Scientists have discovered what they are calling a new human organ that exists in the digestive system.

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Washington D.C. [USA], January 4 (ANI): Songbirds divorce, pack up and leave and miss their best chances for successful reproduction, courtesy suburban development.

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How do conch shells have such huge variety?

Updated: Jan 04, 2017 05:52 IST

Washington D.C. [USA], January 4 (ANI): Conch shells and its varied shapes and size have always been something that has captivated the eyes of collectors.

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Washington D.C. [USA], Dec. 31 (ANI): A new study finds that despite English being considered the common language of global science, over 30 percent of new scientific reports are published other languages due to which many major findings have been overlooked.

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