Last year it was no lasers, this year it's also no soldering. This is how hacker cons die. #34c3pic.twitter.com/n8Ep3BQ6Px
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Concentration is the key here. Increase the number of participants and the probability of incidents increase as well. Go talk with fire security people.
The probability and manageability of incidents can be adjusted. I'll take rigorous enforcement of walkway clearance and density, and liberal provision of fire extinguishers, over an outright soldering ban any day.
I had one of those and still didn't manage to set anything on fire :-)
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