Painting by hedgehogs (Day 258)

HedgehogFor timid slow moving animals, hedgehogs and their relationsĀ are found all over Asia, Africa and Europe.

A few years ago they were the subject of a chemically-engineered joke when ‘Hedgehog Flavoured Crisps’ (potato chips) were sold in the UK.

Thankfully, no hedgehogs were hurt in their manufacture, but their taste (whatever that was) was mimicked using pork fat.

Now the hedgehog name has been used in the context of a new environmentally-friendly paint, and other applications.

University of Michigan researchers have developed a process that can sprout microscopic spikes on nearly any type of particle. They are calledĀ “hedgehog particles” due to their bushy appearance under the microscope.

Continue reading Painting by hedgehogs (Day 258)