How to avoid SMIDSY collisions

Motorbike Writer - SMIDSY (sorry, mate, I didn’t see you) collisions occur, not because motorists don’t look, but because they don’t look twice and when they do they don’t perceive how close we are.

That's according to a Texas Tech University psychologist who says people think smaller objects are further away than they appear and conversely bigger objects are closer.

Read the story here.