Sat, Feb 25, 2017 | updated 05:34 AM IST

Soon, more close-fitting, comfortable, user-friendly prosthetics

Updated: Aug 01, 2016 15:47 IST

Washington D.C, Aug 1 (ANI): A newly-developed mechanical metamaterial has brought more close-fitting, comfortable and user-friendly prosthetics closer to reality.

Researchers at Tel Aviv University, FOM Institute AMOLF and Leiden University in the Netherlands developed a new approach to manufacturing mechanical "metamaterials" - synthetic composite materials with structures and properties not usually found in natural materials - that can be programmed to deform in a uniquely complex manner.

The breakthrough may have future applications in soft robotics and wearable technologies.

Researchers Yair Shokef and Martin van Hecke illustrated their approach through a three-dimensional printing of a metamaterial cube. A smiley-face pattern emerged on the side of the cube when it was compressed between custom-patterned surfaces.

"We started with a series of flexible building blocks, or bricks, that had deformation properties that varied with their position," said Shokef. "The blocks were able to change their shape when we applied pressure. From there, we were able to develop a new design principle to enable these bricks to be oriented and assembled into a larger metamaterial with machine-like functionalities."

The metamaterial has the unusual property that spatially-patterned compression in one direction leads to predictable spatially-patterned deformation (dents and protrusions) in other directions.

"A pattern of specific bulges appears when our seemingly normal cube is compressed," said Dr. Shokef. "Using metamaterials, we can 'program' the material's behavior by carefully designing its spatial structure."

The researchers calculated the number of possible stacks for different cubes of building blocks. They then developed a cube of 10x10x10 centimeter blocks on which a smiley face appears when the cube is compressed. This demonstrated that any given pattern can be produced on a cube's surface.

There are many applications on the horizon for this new basic research. "This type of programmable 'machine material' could be ideal for prostheses or wearable technology in which a close fit with the body is important," Dr. Shokef said. "If we can make the building blocks even more complex or produce these from other materials, the possibilities really are endless."

The research is published in the journal Nature. (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.

Full Story >>

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.

Full Story >>

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.

Full Story >>

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.

Full Story >>

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.

Full Story >>

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.

Full Story >>

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.

Full Story >>

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.

Full Story >>

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.

Full Story >>

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

Full Story >>

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.

Full Story >>

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.

Full Story >>

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.

Full Story >>

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.

Full Story >>

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.

Full Story >>

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.

Full Story >>

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

Full Story >>

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.

Full Story >>

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.

Full Story >>