All washing machines work on the principle of removing dirt from clothing through agitation. A standard machine will often have a central agitator inside one or two watertight drums.

All washing machines work on the principle of removing dirt from clothing through agitation. A standard machine will often have a central agitator inside one or two watertight drums.

Development often hides in plain sight, not only in massive infrastructure projects but in the humble technologies inside people’s homes. One such technology is the washing machine. Far from being ...