David Roberson <dlrober...@aol.com> wrote:
> Of course, if it costs a fortune to manufacture that would not be true. > Synthetic diamonds for industrial apps are fairly cheap. The gem quality ones cost $6,000 per carat (0.2 g) which is a lot. I do not know which you would need. However, medical use batteries are ultra-high end products. Hearing aid batteries cost about $80 per year. Pacemakers are mainly battery, and they cost ~$6,000. - Jed
