Blackest Black? New Disordered Nanostructured Material
There's a new blackest black in town, thanks to work done in Saudi Arabia using (paradoxically) the exceptionally white scales of the Cyphochilus beetle.
(Blackness via the exceptionally white scales of the Cyphochilus beetle)
ndrea Fratalocchi of the King Abdullah University of Science and Technology (KAUST) and colleagues suggest that their broadband light absorbing material could open up new approaches to energy-harvesting devices and optical interconnects. The novel material is made of a nanorod attached to a nanosphere. This composite nanomaterial can, on average, absorb 26% more incident light than carbon nanotubes...
The researchers were aware of natural materials that are ultra-white, such as the scales on the Cyphochilus beetle, native to south-east Asia. The whiteness is due to the microscopic photonic crystal structure of the scales. With their nanomaterial the team has inverted this ultra-white property using the concept of chaotic energy harvesting to allow them to design a material that would be as black, if not blacker, than those materials are white. Instead of the nanomaterial being ordered as they might be in a photonic crystal, the surface structure is disordered and offers incident light a random network of ‘pores’ made of infinitely long, metallic waveguides....
Old time science fiction fans recall black coating from Doc Smith's 1942 novel Gray Lensman :
“Well, we have a black coating now that’s ninety-nine percent absorptive, and I don’t need ports or windows. At that, though, one percent reflection would be enough to give me away at a critical time. How’d it be to put a couple of the boys on that job? Have them put a decimal point after the ninety nine and see how many nines they can tack on behind it?”
In the modern era, fans of Gene Wolf's Shadow of the Torturer recall fuligin, and the absolute black from Douglas Adams's novel Restaurant at the Edge of the Universe. Both were published in 1980.
I enjoy collecting "blackest black" stories; take a look for yourself:
- Femtosecond Laser Pulse Turns Metals Pitch Black (2006)
- Carbon Nanotube Blackness Blacker Than Black (2008)
- New Black From NASA Uses Nanotubes (2010)
- Blacker-Than-Black Corrugated Metamaterials (2011)
- NASA's Super-Black Now Even Blacker (2011)
- Army Wants Black Blacker Than Black (2012)
- Vantablack Is Blacker Than Your Black (2014)
Via Chemistry World.
Scroll down for more stories in the same category. (Story submitted 10/18/2015)
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 -
Amphibio 3D Printed Gill Shirt
'... we can descend and live down there at one of those year-round aquatic resorts.' - Philip K. Dick, 1966.
Self-Healing Circuits From Carnegie Mellon
'It even had an inter-skin layer of gum that could seal the punctures...'- Raymond Z. Gallun, 1951.
Dune Fans! Metal-Organic Frameworks Make Science Fiction Real
'Dew collectors,' he muttered, enchanted by the simple beauty of such a scheme. - Frank Herbert, 1965.
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.
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.
Sleeep PRO Earplug For Maximum Rest
'Merton... placed the electrodes of the sleep-inducer on his forehead.'
Inspired By Japan, Nap Pods For Hajj
It's always a good time for a nap.
Amphibio 3D Printed Gill Shirt
'... we can descend and live down there at one of those year-round aquatic resorts.'
How Do You Put An Asteroid Into Earth Orbit? Carefully!
'...she would have to be coaxed by another series of pats into a circular orbit.'
PD Aerospace Space Plane By 2023
'The sleek, tapered space shuttle lay immobile upon the private landing field...'
Foldimate Folds Your Clothes Perfectly
Look ma, my room is clean! I can hear you now.
Robots Help People Get Dressed, As Predicted In 1931
Yes, people of the future, robots will dress you.
International Space Station Leak Plugged - With Finger
'These tag-alongs search out stray leaks.'
Robot Snake Flies, Fights Fires
Just a prototype, but still amazing.
IPAL Chinese Robot Babysitter
'But Nanny is different...'
ZKZM-500 LASER Assault Rifle
'The Iranian reached back into the locker and got a pair of laserifles.'
LA Subway Scanner, As Seen In 'Total Recall'
'I'm afraid to tell you this Mr. Quaid, but you have suffered a schizoed embolism...'
Sion Electric Car Covered With Solar Panels
'It drew its power from six square yards of sunpower screens on its low curved roof.'
PAL-V Liberty Flying Helicopter Car
'...lifted themselves to skimming flight upon whirling helicopters."
Space Drones - UK's Effective Space To Launch Rocket Tugs
'Twenty rocket tugs towed it from its Earth hangar out into space.'
DIY Autonomous Robot Detects Trash
'The search-bug detached itself and rolled forward.'
More SF in the News Stories
More Beyond Technovelgy science news stories