UN FILTRO INVERSO AUTORREPARABLE

Desarrollan un filtro inverso que, no sólo se autorepara, sino que actúa de forma contraria al resto de filtros: deja pasar partículas grandes y retiene las pequeñas y gases.

https://buff.ly/2P418Av

Self-healing reverse filter opens the door for many novel applications -- ScienceDaily: A self-healing membrane that acts as a reverse filter, blocking small particles and letting large ones through, is the 'straight out of science fiction' say mechanical engineers.