A sponge is a sponge because its porous material is able to absorb liquid of any kind. But what about liquid metal? Can a sponge actually absorb the heavy quicksilver material known as mercury? Not at ...
That tiny, plastic-looking black cube up there can absorb up to 180 times its own weight in toxic waste without absorbing any water. How? As with just about every amazing and/or inexplicable ...
Sponges for dish washing can be made of polyester, which has mechanical properties that make it useful as a cleaning material, as well as being soft to handle when dry or wet. However, the polymer is ...