About MDD - Subscription Info
November 2000
Vol. 9, No. 11, p. 72.
Lighter Elements
A little molecular present to keep you warm on those cold nights in the lab, courtesy of Rutgers University's June Oshiro (http://noodle.pds.
k12.nj.us/june
)
Gas Faze: I
Our lab uses certain gases and liquid nitrogen, so a gas detector was duly installed to detect any leaks or a fall in oxygen concentration in the room. The sales agent had stressed the fact that the detector was state-of-the-art equipment that was capable of detecting even very low levels of leaks of hydrogen sulfide, oxygen level falloff, and so forth. Most of the lab staffers breathed a sigh of relief, but one did not. He looked very troubled at the idea of such an acclaimed, sensitive system. When curiosity got the better of his labmates, they asked him why he appeared so concerned. He fidgeted a little, mumbled a little, and then replied, “I really don’t like the idea of a detector going off every time I pass gas while working!”

—Anonymous

Gas Faze: II
While cleaning up the hospital lab in which they worked, several graduate students happened upon a small unlabeled gas canister. Not sure what to do and with their boss away for another week, one of the students suggested putting the canister in the fume hood and opening its valve, letting the canister empty over the weekend.

Upon returning to the lab on Monday the same student was surprised to find the chemical safety technicians talking near the fume hood with the lab’s technician. He also noticed that the mysterious canister had been removed from the fume hood. Later, he found out that the building fume hood vents were very close to the air intake vents on the roof and that nurses in the other wings had noticed a foul odor permeating their workstations. Apparently, the hydrogen sulfide that the students were venting in the hood was being immediately sucked back into the building. Luckily, no harm … but plenty of foul.

—RCW

www.sciencecartoonsplus.com

Labster’s Unabashed Dictionary
Pauli exclusion principle (n): the rule that states: no more than two electrons may share an orbital and they must be of opposite spins.

Pauling exclusion principle (n): the rule that states: nothing more than ascorbic acid may be ingested.

Paula exclusion principle (n): the rule that states: Miss Jones is no longer welcome in the White House.


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