Warships camouflaged with zig-zags, swooping curves and bright bursts of colour became a regular sight during World War One. It sounds bizarre, drawing attention rather than trying to hide, but ...

A bold experiment puts two dramatically different camouflage methods to the test. One setup costs just one dollar, while the other represents an elaborate million-dollar approach to staying hidden.

We preselected all newsletters you had before unsubscribing.