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Old 2015-06-27, 23:04   Link #1
AnimeFan188
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Join Date: Jan 2008
Materials Science

Cold Wall Chemical Vapor Deposition produces graphene at 100 times
the speed and 100 times lower cost:


"The research team, led by Professor Monica Craciun, have used this new technique
to create the first transparent and flexible touch-sensor that could enable the
development of artificial skin for use in robot manufacturing. Professor Craciun, from
Exeter’s Engineering department, believes the new discovery could pave the way for
“a graphene-driven industrial revolution” to take place."

See:

http://nextbigfuture.com/2015/06/col...eposition.html
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Old 2015-10-26, 23:22   Link #2
AnimeFan188
Senior Member
 
Join Date: Jan 2008
New state of matter discovered which could hold the key to
high temperature superconductivity:


"A team of physicists led by Caltech's David Hsieh has discovered an
unusual form of matter—not a conventional metal, insulator, or magnet,
for example, but something entirely different. This phase, characterized
by an unusual ordering of electrons, offers possibilities for new electronic
device functionalities and could hold the solution to a long-standing
mystery in condensed matter physics having to do with high-temperature
superconductivity—the ability for some materials to conduct electricity
without resistance, even at "high" temperatures approaching –100
degrees Celsius."

See:

http://nextbigfuture.com/2015/10/new...red-which.html
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Old 2015-11-21, 21:39   Link #3
AnimeFan188
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Join Date: Jan 2008
Our Future Space Elevator May Be Built of Diamond:

"If the notion that humans will one day ascend into orbit on a rope of
ultra strong carbon nanofibers sounds a bit out of this world, then you’re
going to love the latest dazzling twist: our future space elevators might
actually be built of diamond.

Graphene may be the hottest substance in materials science right now,
but over the past year, the scientific community has worked itself into a
tizzy over another carbon-based wonder material: diamond nanothreads,
one-dimensional carbon crystals that are as strong as, well, a diamond."

See:

http://gizmodo.com/our-future-space-...ond-1743971206
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Old 2015-11-26, 15:50   Link #4
AnimeFan188
Senior Member
 
Join Date: Jan 2008
Stainless magnesium could be mass produced and it
would weigh half as much as aluminum:


"Researchers led by a team at UNSW Australia have used the
Australian Synchrotron to turn the discovery of an ultra-low density
and corrosion-resistant magnesium alloy into the first step toward
mass-producing ‘stainless magnesium’, a new high-strength,
lightweight metal, paving the way for cars, trucks and aeroplanes that
can travel further distances on less petrol.

The magnesium-lithium alloy weighs half as much as aluminium and is
30 per cent lighter than magnesium, making it an attractive candidate
to replace these commonly used metals to improve fuel efficiency and
greatly reduce greenhouse gas emissions from transport vehicles."

See:

http://nextbigfuture.com/2015/11/sta...d-be-mass.html
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Old 2016-06-10, 06:05   Link #5
MrTerrorist
Takao Tsundere Cruiser
 
 
Join Date: Oct 2008
Location: Classified
Experiment 'turns waste CO2 to stone'
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Old 2016-07-22, 23:40   Link #6
AnimeFan188
Senior Member
 
Join Date: Jan 2008
Titanium-gold alloy that is four times harder
than most steels:


"Titanium is the leading material for artificial knee and hip joints
because it’s strong, wear-resistant and nontoxic, but an unexpected
discovery by Rice University physicists shows that the gold standard
for artificial joints can be improved with the addition of some actual
gold.

“It is about 3-4 times harder than most steels,” said Emilia Morosan,
the lead scientist on a new study in Science Advances that describes
the properties of a 3-to-1 mixture of titanium and gold with a specific
atomic structure that imparts hardness. “It’s four times harder than
pure titanium, which is what’s currently being used in most dental
implants and replacement joints.” -

“When we tried to grind up titanium-gold, we couldn’t,” she recalled. “I
even bought a diamond (coated) mortar and pestle, and we still
couldn’t grind it up.”"

See:

http://nextbigfuture.com/2016/07/tit...our-times.html
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Old 2016-07-24, 10:23   Link #7
Kafriel
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Join Date: Jan 2009
Location: Athens (GMT+2)
Age: 28
Is that even necessary? AFAIK titanium implants don't have any issues with their hardness and gold would only effectively raise their price...
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Old 2017-01-06, 19:04   Link #8
AnimeFan188
Senior Member
 
Join Date: Jan 2008
MIT makes compressed graphene sponge material that is
20 times less dense than steel but 10 times stronger, light as
stryofoam but stronger than steel.:


"A team of researchers at MIT has designed one of the strongest lightweight materials
known, by compressing and fusing flakes of graphene, a two-dimensional form of carbon.
The new material, a sponge-like configuration with a density of just 5 percent, can have a
strength 10 times that of steel.

In its two-dimensional form, graphene is thought to be the strongest of all known
materials. But researchers until now have had a hard time translating that
two-dimensional strength into useful three-dimensional materials."

See:

http://www.nextbigfuture.com/2017/01...ne-sponge.html
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