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A comment on The SR-71's predecessor used cesium-laced fuel to create radar-absorbing exhaust. Parent comment

Re:The SR-71's predecessor used cesium-laced fuel to create ... by regularfry on Friday September 13, 2019 @01:54PM (#20964547)
Lead doesn't shatter the way uranium does, so it's less inclined to form a breathable dust on impact.
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Re:The SR-71's predecessor used cesium-laced fuel to create ... by DuskStar on Friday September 13, 2019 @02:35PM (#20965008)
That's true! Lead does tend to stay more clumped up than uranium dust. But isn't it also easier for lead to become bioavailable and/or enter the water supply?
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