Self-Healing Electronic Material and Other Future Tech
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Self-Healing
Electronic Material
Damage to electronics causes heavy losses for consumers each
year, resulting in brands adopting waterproof or bend-proof technologies in
their products. But what if there was a type of electronic material that could
heal on its own? Researchers from the Penn State and Harbin Institute of
Technology have made a material that is self-healing and dielectric by adding boron
nitride nanosheets to a base material of plastic polymer.
"Wearable and bendable electronics are subject to
mechanical deformation over time, which could destroy or break them. We wanted
to find an electronic material that would repair itself to restore all of its
functionality, and do so after multiple breaks. This is the first time that a
self-healable material has been created that can restore multiple properties
over multiple breaks, and we see this being useful across many applications,"
said Qing Wang, Material Science and Engineering Professor at the university.
The material retains critical properties such as “mechanical
strength, breakdown strength to protect against surges, electrical resistivity,
thermal conductivity and dielectric, or insulating properties.”
Bacteria that
Breathes CO2 and Produces Energy
A Harvard professor Daniel Nocera used genetic engineering
to produce bacteria that absorb hydrogen and carbon dioxide and produce alcohol
fuel as output. Called ralston eutropha, the bacteria converts hydrogen and
carbon dioxide into adenosine triphosphate (ATP) by adding genes that allows
ATP to convert into alcohol fuel.
“Right now we’re making isopropanol, isobutanol [and]
isopentanol. These are all alcohols you can burn directly. And it’s coming from
hydrogen from split water, and it’s breathing in CO2. That’s what this bug’s
doing,” said Nocera. Tests showed the bacteria proved to be 10 times more
efficient than plants.
3D Printed Wonder
Pill can Cure All Your Ailments
Researchers have come up with a way to use 3D printed tablet
fabrication technology to make fully-customized pills with different release
profiles, allowing the drugs inside to be released at varying rates throughout
the day.
“For a long time, personalized tablets has been a mere
concept as it was far too complex or expensive to be realized. This new tablet
fabrication method is a game changer - it is technically simple, relatively
inexpensive and versatile. It can be applied at individualized settings where
physicians could produce customized pills on the spot for patients, or in mass
production settings by pharmaceutical companies,” said Soh Siow Ling, Assistant
Professor at the NUS Faculty of Engineering.
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