You’ve been cutting your onions all wrong
Would you like to know how to reduce the tears while cutting an onion? New research reveals that chopping an onion is actually a high-speed fluid dynamics event — and your dull knife is likely to blame. CBC’s Johanna Wagstaffe looks into how scientists, using high-speed particle tracking, confirmed just how impressive the spray from an onion is, and the way the layers react to a blade can essentially launch a sulphur-rich mist directly at your face.
