A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Pilkington Activ Glass - The Invisible Squeegee Of Window-Willie
Pilkington Activ glass has a coating of microcrystalline titanium oxide that acts as an "invisible squeegee" to allow the surface to clean itself.
The nano-scale (15 nanometers) coating has two remarkable properties that create the effect:
- It absorbs sunlight (ultraviolet radiation) - creating a photocatalytic effect on dirt accumulated on the window, breaking it down.
- It makes the surface of the glass hydrophyllic - rather than beading up (and drying in blotches), water forms a sheet that allows organic dirt particles to flow off and then dries much more cleanly.
(From BBC article)
Pilkington Activ glass reduces the amount of sunlight passing through by only about 5%; the coating is very tough and would require real abrasion like a determined scrubbing with steel wool to take it off. It can greatly reduce the cost of cleaning large commercial buildings (or the windows in your house!). It also eliminates harsh cleaner residue from the environment.
SF fans may recall Window Willie, the window-washing invention from Robert Heinleins 1956 novel The Door Into Summer; the novel describes it as an "electrostatic device" that makes dirt disappear from any polished silica surface. I wonder if the coating would work on other kinds of surfaces?
Read the story at Eco glass cleans itself with Sun. Visit the Pilkington Activ glass website for more information. Thanks to an alert anonymous reader for this story!
Scroll down for more stories in the same category. (Story submitted 6/9/2004)
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 -
Omniphobic Liquid-like Surfaces And de Camp's Telelubricator (1940)
'So the surface, to the depth of a few molecules, is put in the condition of a supercooled liquid as long as the beam is focused on it.' - L. Sprague de Camp, 1940.
MXenes - Atomic-Thin Metal Sheets Now Easier To Make
'...a rolled-up sheet of a thin, dark metal strange to them.' - John Edwards, 1934.
Do We Still Need Orbiting Factories?
'... his contract with Space Industries required him to work summers in their orbital factory complex.' - Jerry Pournelle, 1976.
MIT Self-Assembling Reprogrammable Materials
'Faster the cubes moved; faster the circle revolved; the pyramids raised themselves, stood bolt upright on their square bases...' - Abraham Merritt, 1920.
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.
Russians Think US Is Weaponizing Asteroids
'BY PUSHING AGAINST THE
LITTLE MARTIAN MOON WITH OUR
ROCKET SHIP, WE HAD LESSENED
THE CENTRIFUGAL SPEED THAT
HELD IT BALANCED IN THE SKY.'
The Warp And Fabric Of Spacetime
'Jenkins had evidently fallen into a warp in space.'
'Birds Aren't Real' An NPR Gen-Z Conspiracy
Keep your eyes on the skies!
Wearable Energy Harvester
'... he had tightened the chest to gain maximum pumping action from the motion of breathing.'
Drones Participate In Buddhist Rites
'...a prayer wheel swung into view and began spinning at a furious pace.'
Anna Indiana AI Singer-Songwriter
'She is a personality-construct, a congeries of software agents'
Video Manicuring ala Schismatrix
'The program raced up the screen one scan line at a time'
'Feel the AGI' OpenAI Leader Now OpenWorship
'And are all the people willing to be governed by a machine?'
NASA Tests Prototype Europa Lander
Why have legs if they don't walk around?
Tailsitter Drone Aircraft For SAR
'...it was so easy for me to remain motionless in midair.'
Forward CarePod The AI Doctor's Office
'It's an old model,' Rawlins said. 'I'm not sure what to do.'
Mika The Robot-Boss
'the robot-boss was busy at the lip of the new lode instructing and egging the men on to greater speed...'
Yamaha Motoroid 2 No Handlebars Self-Balancing Motorcycle
'He rode the bike with an intense lack of physical grace...'
San Francisco Autobus
'THE autobus turned silently down the wide street...'
Should Your Car Decide If You Can Drive?
'Okay. Maybe the car was right...'
Lucid Dreams On Demand From Prophetic and Card79
'the peeper did not operate by virtue of its machinery alone, but by the reaction of the brain and the body of its user...'
More SF in the News Stories
More Beyond Technovelgy science news stories