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Question:

Safety precautions for alkali metal demos?

What sort of safety precautions for alkali demos do you need to take and why? Thanks :)

Answer:

The Police aren't pizza deliverymen, their response times depend on whether there are officers available, how close they are, and how dispatch will prioritize it. But here is a rule of thumb. Someone trips a monitored alarm system in a home. The monitoring agency is notified, and they call the number linked to the alarm system within about 2 minutes. Again, time depends on the number of people monitoring all the systems they have, and they can usually get the call in sooner. Assuming the alarm was tripped by a burglar, the call will confirm the alarm because either the burglar won't answer the phone or will give the wrong codeword to the monitor. The monitor then contacts the police agency in the area. This takes all of five minutes at the most. Now, at this point, again, it depends on dispatch, police available, and proximity.
Ha! Yes it is! Great simile!

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