The Sharpie Liquid Pencil
This is cool, and as with traffic lights, it’s very cool to see innovation around objects that you’d think have reached their ultimate potential.
The Sharpie Liquid Pencil: You Can Erase It for Three Days, Then It’s Permanent
I love this stuff.
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- Tacit Haptic Glove for the Visually-Impaired
- More Internet of Things
- Twine Advances the Internet of Things
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