A Study of Microwave Radiation Leakage From Microwave Ovens
Harry Gilbert · 1970
One in five commercial microwave ovens leaked significant radiation in 1970, a safety problem that persists today.
Plain English Summary
Researchers tested 187 commercial microwave ovens in 1970 and found that 20% leaked 10 or more milliwatts per square centimeter of microwave radiation within two inches of the door. The study highlighted concerns about radiation exposure from faulty door seals and inadequate safety mechanisms, particularly as microwave ovens were becoming popular in homes.
Why This Matters
This early study revealed a troubling reality that persists today: microwave ovens frequently leak radiation beyond their intended containment. Twenty percent failure rate for radiation containment represents a significant public health concern, especially considering how close people stand to operating microwaves. The 10 milliwatts per square centimeter threshold these ovens exceeded is substantial - for context, cell phone radiation typically measures in microwatts, making microwave leakage potentially thousands of times more intense at close range. What makes this 1970 finding particularly relevant is that it identified the root problems we still see: poor door seals and inadequate safety interlocks. The researchers' call for improved door design and better safety mechanisms went largely unheeded by the industry. Today's microwave ovens use the same basic door technology, and independent testing continues to find units that leak radiation above safety limits, particularly as door seals degrade over time.
Exposure Information
Specific exposure levels were not quantified in this study.
Show BibTeX
@article{a_study_of_microwave_radiation_leakage_from_microwave_ovens_g6065,
author = {Harry Gilbert},
title = {A Study of Microwave Radiation Leakage From Microwave Ovens},
year = {1970},
}