Garth wrote:
 
> Now as far as the otto cycle is concerned, when watching a beehive
> one will see how bees do a 'silly thing' every now and then. They
> just do something for the hell of it. Maybe they chew a hole through
> the side of their tree. This makes a cold wind blow through the hive.
> The next day they plug it with gum. Those are the scientist in a
> beehive. They test something, it does not work, so it is fixed. The
> hole was useless, but propolis that fixed it is quite a handy thing.
 
Garth,
Sounds more like a bunch of engineers. They always want to make something
a little bit better- so why not add a hole here and there? If it works,
then the scientist will come in and try to explain why. Lot more fun
being an engineer.
Bill Truesdell
Bath. ME