Can a robot be too human? This one can

This week’s review began in 1872, when some Sydney builders had what seemed like a good idea at the time: Let’s use bricks coated in sand! And let’s use sand and spittle to hold the bricks in place!

Precisely why these builders had so much love for sand remains a mystery. Were they trying to make indoor beaches? Or were they thinking 152 years into the future, when the crumbling sandstock bricks and the dodgy mortar that make up the walls of the Digital Life Labs would create the perfect laboratory conditions for reviewing robot vacuum cleaners?