query: Why do (most) metals cause problems in a microwave oven? Which metals (if any) don't?
positive_passages.docid: 114986
positive_passages.text: Why do metal objects in microwaves spark?
negative_passages.docid: 94554
negative_passages.text: Baking cakes in the Microwave ovens as compared to Electric ovens
negative_passages.docid: 147803
negative_passages.text: Why does vacuum have a nonzero characteristic impedance towards electromagnetic radiation?
negative_passages.docid: 80540
negative_passages.text: Elements and their plasma state
negative_passages.docid: 67057
negative_passages.text: Why do some materials reflect (metals) and other materials reflect and refract (glass) from the quantum perspective?
negative_passages.docid: 88098
negative_passages.text: SPICE modelling of microwave cavities using a circuit
negative_passages.docid: 41616
negative_passages.text: Why are all of my appliances becoming energized when ground wire is excluded?
negative_passages.docid: 53326
negative_passages.text: Are solder fumes bad for me?
negative_passages.docid: 145365
negative_passages.text: Heating of an non-ohmic conductor
negative_passages.docid: 79670
negative_passages.text: Magnetic Shielding?
negative_passages.docid: 26611
negative_passages.text: How does the grid on the microwave oven window prevent microwave radiation from coming out?
negative_passages.docid: 117958
negative_passages.text: Confusions relating mass defect
negative_passages.docid: 70709
negative_passages.text: Why is cold fusion considered bogus?
negative_passages.docid: 125596
negative_passages.text: Crystals, Oscillators, and Resonators. What the difference?
negative_passages.docid: 111685
negative_passages.text: Which are the safety recommendations for soldering?
negative_passages.docid: 139665
negative_passages.text: How does the secondary effect of the Heat Metal spell work?
negative_passages.docid: 28177
negative_passages.text: What causes the permittivity and permeability of vacuum?