Gel Tactile Display

A tactile display made from hydrogel has been developed by two engineers from Technical University of Dresden.


(Hydrogel tactile display)

The two scientists created a square array of 4225 blobs of temperature-sensitive hydrogel, each approximately 300 microns across and separated from its neighbours by a similar amount. Just one square centimetre of the array contains 297 of the gel "pixels".

They sit on a black polyester backing that heats up when hit by a beam of light that is narrow enough to warm individual blobs. Below 29 °C the pixels are 0.5 millimetres tall, but if heated to 35 °C they expel some of their water and become half as tall. They also become opaque and much harder to the touch.

Rapidly scanning the light beam across the black backing makes it possible to display high-resolution, tactile images (see image, top right) that change twice a second.

Once the light beam moves away from a pixel, its temperature quickly drops and the gel swells back to its previous size, sucking up its lost water.

The developers, Andreas Richter and Georgi Paschew, believe that it could form the basis of tactile displays that communicate information by touch.

This development reminds me of the nifty table display from the X-Men move.


(3D table display from the X-Men [2000])

I wonder if it uses a gel remote to control it...

From NewScientist.

Scroll down for more stories in the same category. (Story submitted 1/17/2009)

Follow this kind of news @Technovelgy.

| Email | RSS | Blog It | Stumble | del.icio.us | Digg | Reddit |

Would you like to contribute a story tip? It's easy:
Get the URL of the story, and the related sf author, and add it here.

Comment/Join discussion ( 3 )

Related News Stories - (" Display ")

WatchSense Perfect For Fat-Fingered Smartwatch Owners
'Now all you had to do was wave your hand in the general direction of the components...' - Douglas Adams, 1979.

Transparent OLED TV By Panasonic
It's the look of things to come.

Cicret Makes Your Skin Into A Display
'On the translucent mica-like coverings over the orifices, appeared reddish characters...' - Schachner and Zagat, 1931.

Organic Photonic Skin Display
'A strip of readout skin on my wrist...' - John Varley, 1992.

 

Google
  Web TechNovelgy.com   

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.

 

 

 

 

 

Current News

Bat Bot Robotic Flapping-Wing Drone
'The dark birdforms dotted the mountaintops like statues of prehistoric beasts, wings outspread...'

NASA's Astronaut Rescue Ball
'Ball and closely-prisoned man plummeted downward..'

ARM Wants To Build Brain Chips
'Slivers of microsoft, angular fragments of colored silicon...'

Sky Fence - A Drone-Proof Shield Created Over Prison
'There’s still a protective field over the whole thing. It volatilizes anything that tries to get through.'

Geoengineering The Atmosphere For Climate Change
'...a uniform temperature for each degree of latitude the year round.'

Archinaut Orbiting Robotic Factory
'mass-produced only in the orbiting factories...'

Cryonic Preservation - The Last Perk You'll Ever Need
'Is there not also a law providing for voluntary suspension of animation?'

Computers Understand Humans By Watching And Modeling Them
Soon, your computer will be watching you... and judging you.

NASA Asks For Moon To Earth Delivery Ideas
'Authority's 3-g catapult was almost one hundred kilometers long...'

Musk Tunnels Wisely Restrict Drivers
Too many robots.

Robot Swarms Controlled With Augmented Reality
'You're not thinking in enough dimensions...'

MIT's C-LEARN Helps Robots Transfer Learning To Other Robots
'Talk Between Robots radio...'

Mini-Brains In A Dish
'Cultured brains on a slab.'

Rapid Automated Search For Habitable Planets Needed
'I was near enough it now to set my automatic astronomical instruments to searching it for a habitable planet.'

WatchSense Perfect For Fat-Fingered Smartwatch Owners
'Now all you had to do was wave your hand in the general direction of the components...'

Digital Construction Platform Robot 3D Prints A Building
'It extrudes material like a spider.'

More SF in the News Stories

More Beyond Technovelgy science news stories

Home | Glossary | Invention Timeline | Category | New | Contact Us | FAQ | Advertise |
Technovelgy.com - where science meets fiction™

Copyright© Technovelgy LLC; all rights reserved.