Nokia makes giant, cold touch screen from ice

Not sure this would fly in sunny San Francisco, but in the great white North, Nokia used a ton of ice, projectors, and a computer to make a giant interactive touch screen.

ice touch screen

Check it out. Nokia did something cool with a touch screen. I did not see that coming.

We're not sure why researchers from the phone maker would do what they did (other than that they were probably going stir crazy during the long Nordic winter), but they did. So this exists: possibly the world's biggest touch screen, which is made of ice.

The Fins stacked ice blocks together and fused them with a heat gun to make an ice wall. That itself isn't that awesome, but then they added a projector behind it that shot the back of the ice wall with infrared light.

When people touch the wall--which is about 6.5 feet long, 5 feet tall, and 10 inches thick--their hands reflect the infrared light back, and a sensor feeds the data into a computer, which in turns projects visible light in response to the users' touches. Thus it becomes a giant touch screen.

Right now all the chilly ice screen does is make an interactive light display, which is fun. But I want to play Angry Birds on a wall. Nokia, can we make that happen? Check out the New Scientist video below.

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