Anyone who has confronted the horror of a clogged toilet about to overflow may have bemoaned why modern technology has been able to send a man to the moon but failed to invent anything more effective and sanitary than a dome of rubber on the end of a stick.
Really? That is the sum total of human ingenuity in the 21st century? Well, bemoan no more.
An inventor in South Korea has created what could be the biggest thing in plumbing since the plunger.