Thursday, April 22, 2021

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Researchers have developed a new form of plastic that "bruises," rather than breaks, when dropped and subsequently heals itself when exposed to sunlight.


According to New Scientist, GADGETS of the future could bruise when dropped or scratched to highlight damaged areas. Don't worry though, as a few minutes in the sun will be enough to fade the bruise and repair the damage.  Marek Urban and colleagues at the University of Southern Mississippi in Hattiesburg were inspired to create their self-healing plastic by signs of healing in nature such as newly formed tree bark.  Earlier self-healing materialsMovie Camera do not change colour and require focused laser light for repairs. This new material turns red when damaged and repairs itself when exposed to visible light or changes in temperature or pH. It can also fix itself multiple times, unlike previous materials. 

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The America Invents Act, which reforms patent law, will help bring more inventions to market and make the United States more competitive, President Obama said: "The country has always succeeded because we have been the most dynamic, innovative economy in the world. That has to be encouraged."


Patent applications have nearly tripled in the last decade,  but 700,000 applications haven't even been opened yet.   Obama said: "Somewhere in that stack could be the next miracle drug, the next technological breakthrough, the next idea that will launch the next Fortune 500 company." 

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Two professors from the University of Illinois; one specializing in materials science, the other in electrical engineering, have combined their talents to take the idea of printing circuits onto non-standard materials one step further by developing a conductive ink that can be used in a traditional roller-ball ink pen to draw circuits by hand onto paper and other porous materials. In their paper published in Advanced Materials, team leads Jennifer Lewis, Jennifer Bernhard and colleagues describe how they were able to make a type of ink from silver nano-particles that would remain a liquid while in the pen, but would dry like regular ink once applied. The pen could then be used to draw a functioning LCD display and a transmitting antenna.


We've long marveled at the wondrous creations enabled by 3-D printing. Well, now comes 3-D handwriting.  A plain roller-ball pen filled with a conductive ink can draw circuits on a sheet of paper, where they can provide power to an LED display, among other potential uses.  See amazing video of 3-D printing.

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NewColorIris is an intraocular implant that improves the ocular appearance of patients with partial coloboma (congenital defects of the iris), traumatic irides, ocular albinism, iris heterochromia and to consumers that without any ocular pathology wish to change the color of their eyes with a natural appearance and without the limitations, risks and annoyances of contact lenses.


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Yves Rossy just completed his flight over the Grand Canyon.  He jumped out of a helicopter at 8,000 feet (2,440 meters) and soared over the Canyon at 205 mph (330 km) for eight minutes before deploying his parachute. Rosy said after completing this flight: " My first flight in the US is sure to be one of the most memorable experiences in my life, not only for the sheer beauty of the Grand Canyon but the honor to fly in sacred Native American lands."  


Inventor and former Swiss Air Force fighter pilot, Yves Rossy, had already jumped from a plane over Calais, France and flew 200 mph crossing the English Channel in 13 minutes before landing in Dover, England.  Before that in 2009,  he unfolded the wings on his back and flew 186 mph (300 kilometers) above the Swiss Alps. 


Using four small jet engines attached to his carbon wings, he climbed at 200 ft per minute before executing a series of stunts for a crowd of reporters watching from a mountain top. The spectacular demonstration was the first public revelation of his latest invention, which he spent five years developing. "It is absolute freedom" says Rossy. The inventor says his 120 lb "Jetman Suit" will eventually be available to the public but it's still a few years away.