Diamond Nanothreads For Space Elevators?
Ultra-thin 'diamond nano threads' have been discovered by researchers at Penn State University. They have remarkable properties, including strength and stiffness greater than that of today’s strongest nanotubes and polymers.
(Diamond Nanothreads For Space Elevators video)
The core is a long, thin strand of carbon atoms arranged just like the fundamental unit of a diamond’s structure — zig-zag “cyclohexane” rings of six carbon atoms bound together, in which each carbon is surrounded by others in the strong triangular-pyramid shape of a tetrahedron.
“It is as if an incredible jeweler has strung together the smallest possible diamonds into a long miniature necklace,” Badding said.
“Because this thread is diamond at heart, we expect that it will prove to be extraordinarily stiff, extraordinarily strong, and extraordinarily useful.”
“One of our wildest dreams for the nanomaterials we are developing is that they could be used to make the super-strong, lightweight cables that would make possible the construction of a “space elevator” (a cable fixed to the equator and reaching up into space), which so far has existed only as a science-fiction idea,” [John V. Badding, a professor of chemistry at Penn State University] said.
Arthur C. Clarke thought that this kind of material might provide the answer to the cable problem on space elevators in his 1976 novel Fountains of Paradise:
The reason you can't see this sample is that it's only a few microns thick. Much thinner than a spider's web."
"...What is it?"
"The result of two hundred years of solid-state physics. For whatever good that does, it is a continuous pseudo-one dimensional diamond crystal - though it's not actually pure carbon. There are several trace elements in carefully controlled amounts. It can be mass-produced only in the orbiting factories, where there's no gravity to interfere with the growth process."
(Read more about Clarke's 1D diamond crystal)
Scroll down for more stories in the same category. (Story submitted 9/23/2014)
Follow this kind of news @Technovelgy.
| Email | RSS | Blog It | Stumble | del.icio.us | Digg | Reddit |
you like to contribute a story tip?
Get the URL of the story, and the related sf author, and add
Comment/Join discussion ( 0 )
Related News Stories -
Fungi-Infused Concrete Repairs Itself
'I noticed that curious mottled knots were forming, indicating where the room had been strained and healed faultily.'- J.G. Ballard, 1962.
3D Printed Graphene Aerogel - So Light!
'... light as cork and stronger than steel...' - Edgar Rice Burroughs, 1929.
Vantablack Now IMMEASURABLY Black
'a black coating now that’s ninety-nine percent absorptive...' - Doc Smith, 1934.
New Paper - Write With Light Erase With Heat
Writing with light, erasing with heat.
Technovelgy (that's tech-novel-gee!)
is devoted to the creative science inventions and ideas of sf authors. Look for
the Invention Category that interests
you, the Glossary, the Invention
Timeline, or see what's New.
A 'Genuine Nanorobotic Production Factory'
'Microscopic machinery, smaller than ants, smaller than pins, working energetically, purposefully - constructing something...'
Neuromorphic Computer Offers Non-von Neumann Architecture
Fires faster than brain at 1/10K energy.
Evorus Your Crowd-Powered Conversational Assistant
'...the DS [Daily Schedule] was suddenly transformed into a valued confidante.'
Mealworms Food Of The Future
Get your grubs on.
Alibaba's AI May Read Better Than You
'Mike ... could accept other languages and was doing technical translating - and reading endlessly.'
Musk's Boring Flamethrower
'Skeletons in tatters. Burned by a flesh gun'
Humanity Star LEO Advertisement?
'Everyone has noticed those enormous advertisements...'
Nissan ProPILOT Slippers Are Self-Parking, Autonomous
Beyond science and fiction.
Atomristors - Atomic Memristors - Using Thin Nanomaterials
'I could almost feel those little tunnel junction neuristors working, forming their own interconnections as I operated it.'
Bigelow Prepares Inflatable Lunar Hotel
'Suddenly, hitherto unheard-of sums of money became available for investment in civilian orbital stations.'
Drunk Driver Of Tesla Claims Autopilot Was In Charge
'Mr. Garden, you are in no condition to drive.'
Medical Exoskeleton From Cyberdyne Gets FDA Approval
It's been a long road for HAL-5; I started writing about it in 2005.
Fungi-Infused Concrete Repairs Itself
'I noticed that curious mottled knots were forming, indicating where the room had been strained and healed faultily.'
Shiftwear Display Shoes
'He unlaced her shoe and glanced at its readout.'
NASA SEXTANT First With X-Ray Nav In Space
'You need at least four beacons for an accurate fix.'
GM Introduces Cruise AV With No Steering Wheel
'How about the steering wheel?' ... 'I do not need one.'
More SF in the News Stories
More Beyond Technovelgy science news stories