Physicists Uncover Why Onions Make You Cry-and How to Stop It

Speedy summary:

• Physicists have studied why chopping onions causes eye irritation and tears.
• Cutting an onion releases chemical compounds, including syn-propanethial-S-oxide, which irritates nerves in the eyes that trigger tear production.
• Researchers from cornell University used high-speed cameras to analyze the spray of chemicals produced during onion cutting.
• Factors such as knife sharpness and cutting speed influence how these chemicals disperse into the air.

!campaign=RSS%7CNSNS&utmsource=NSNS&utmmedium=RSS&utm_content=home”>Read More