Walls that light themselves. Curtains that reflect radar. Blast doors made of foam. Five years ago, these were the domain of defense contractors and technophile billionaires. Now such breakthrough ...

Walls that light themselves. Curtains that reflect radar. Blast doors made of foam. Five years ago, these were the domain of defense contractors and technophile billionaires. Now such breakthrough ...

This post is by Patricia Lim, 1st Grade Teacher, High Tech Elementary Explorer. Dirt. Nature. Taking things apart, touching, smelling, and observing things up close. Walking through canyons, among ...