Challenge your friends to tear the strip into three with only one pull. The British Patent Perforated Paper Company was formed to make Bronco in 1880. Today, the average person uses about 1200 metres of loo roll a year. If all the rolls used in Britain were unwound and laid end to end, the strip would reach further than Mars. And the average American uses more than twice as much as the average Briton.
Some shops charge more for extra-absorbent paper.
Hang two sheets over a knife at the perforations. Imerse in the water, lift out, let them drip into the bowl for five seconds, then remove. The more the weight falls, the more water has been absorbed. Repeat with luxury paper. Sound advice Hear for yourself how sound bounces from hard surfaces, but not from soft ones.