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Science Quickly

Turn a Wall into a Touch Screen Cheap

Science Quickly

Scientific American

Science

4.2639 Ratings

🗓️ 25 July 2018

⏱️ 3 minutes

🧾️ Download transcript

Summary

Researchers used a couple of hundred dollars worth of materials to turn a wall into a giant touch screen Learn more about your ad choices. Visit megaphone.fm/adchoices

Transcript

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0:00.0

Understanding the human body is a team effort. That's where the Yachtel group comes in.

0:05.8

Researchers at Yachtolt have been delving into the secrets of probiotics for 90 years.

0:11.0

Yacold also partners with nature portfolio to advance gut microbiome science through the global grants for gut health, an investigator-led research program.

0:19.6

To learn more about Yachtolt, visit yawcult.co.j.p.

0:23.9

That's y-A-K-U-L-T dot-C-O-J-P.

0:28.4

When it comes to a guide for your gut, count on YacL.

0:33.9

Hi, I'm a Scientific American podcast podcast editor Steve Merski.

0:38.0

And here's a short piece from the July 2018 issue of the magazine in the section called

0:43.0

Advances, Dispatches from the Frontiers of Science, Technology, and Medicine.

0:49.6

Smart Walls by Prachi Patel.

0:52.9

The right paint can add pizzazz to your walls, and now it can also

0:57.5

make them smarter. Researchers recently converted a wall into an outsized track pad and motion sensor

1:04.2

by using low-cost conductive paint to create a large grid of electrodes. Such a smart wall can sense human touch and track gestures

1:13.5

from a short distance. It can also detect the locations of appliances and whether they're switched

1:19.1

on. The technology could someday turn on lights when a person enters a room, track a player's motion

1:25.5

in an interactive video game, or monitor a child's television

1:29.3

use.

1:30.3

Yang Zhang, a computer science doctoral student at Carnegie Mellon University, helped to create

1:35.3

the concept.

1:36.3

To create the high-tech surface, Zhang and his colleagues applied painters' tape in a lattice

1:41.3

pattern to a 12 by 8- foot wall, then coated it with commercially

1:45.6

available conductive nickel paint. Removing the tape left a pattern of diamond-shaped electrodes,

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