Re: New artifact: The Silicon Sphere

From: Eugen Leitl (
Date: Tue Dec 09 2003 - 09:30:41 MST

On Mon, Dec 08, 2003 at 12:42:16AM -0800, Tomaz Kristan wrote:
> The best possible way to define a kg would be something

"Best" without a metric is meaningless.

> like this: A hydrogen atom has a mass of 1 kg, at the
> "speed of light minus 0.0011322 meters per second".

How do you measure this? How do you relate this measurement
to the macroscale?

You can at least count the number of atoms in 12 g of
isotopically pure C-12.

-- Eugen* Leitl leitl
ICBM: 48.07078, 11.61144
8B29F6BE: 099D 78BA 2FD3 B014 B08A 7779 75B0 2443 8B29 F6BE

This archive was generated by hypermail 2.1.5 : Wed Jul 17 2013 - 04:00:43 MDT