Talk:Gif-sur-Yvette

"Needles containing radon gas"?
Under the heading "History" the second sentence of the fifth paragraph contains this phrase: "...a site where needles containing radon gas were once manufactured..." "Needles containing radon gas" is nonsensical. Needles used in medical applications come in two varieties: the solid kind for suturing an incision or wound, and the hollow kind for delivering a substance (typically a liquid) such as a hypodermic needle. In the case of the latter, the needle does not actually contain the substance, it merely acts as the delivery channel for it. So it is inaccurate to say that there were "needles containing radon gas"; the needles must have been used as a delivery channel for radon gas, but what actually contained the radon? The source cited describes it thus: "It was part of an estate built in the 1950s near a disused factory where radium needles for hospitals had been manufactured." This goes no further towards explaining the situation, since it describes them as "radium needles" (note the absence of "containing", as used in this article), which almost implies that the needles themselves were made from radon; an impossibility. This passage needs clarification. Bricology (talk) 20:49, 26 June 2024 (UTC)