"The less one knows about the universe, the easier it is to explain." Leon Brunschvicg
Did you know: Mass of lightest allowable Heavyweight boxer (90.8 kg) is 2.5 x Mass of Pedal Harp (orchestral instrument) (36 kg)
If you appreciate this site, do us a favour and click on the ad above. We'll earn a penny or two and that will help us keep going.
You'll know that you have done a good thing for numeracy and rationality in the world!