Have you ever been to a meeting? If so, you know they can be extremely boring, sometimes they take forever and generally they don't always bring out the best from the participants mentally.
In a Google talk the presenter shared his insights about meditation and he suggested using a meditation bell in the first 5 minutes of the meeting. People don't have to do anything, just listen to the bell and be aware of the presence of others, and it will have a big impact on the quality of the meeting. Here's the relevant part of the talk:
If you are not afraid your colleagues will think you are strange then suggest your boss to use such a bell before the meeting. He or she may even appreciate the idea. :)