Subject: Why do some onions spark when heated by microwave?
Date: Sun Sep 3 20:43:20 2000
Posted by Ben Alkov
Grade level: nonaligned
School: No school entered.
City: Raleigh State/Province: NC
Area of science: Physics
Diced white onions will not only steam, spit, and occasionally explode,
but frequently spark very brightly, even leaving small burn marks. I
suspect there may be some trace of metallic elements or compounds in the
Re: Why do some onions spark when heated by microwave?
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