Safety – Are Resonance Rods Harmful to Hearing?

Question to the STAO Safety Committee Can resonance rods do damage to a person’s hearing, especially if the demonstration is repeated several times during the day? Response Tanya Malusev from Arbour Scientific measured the sound intensity. The maximum value...
Safety Questions – PTC Paper

Safety Questions – PTC Paper

The STAO Safety Committee frequently responds to questions that Ontario teachers pose regarding safety in their science facilities.  Here is a sample: Question Recently, the safety of PTC paper, used widely for demonstrating the ability to taste vs the inability to...
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