"Jim Wilkinson Knife" wrote in message
news

On Tue, 23 Oct 2018 15:13:16 +0100, Bill Wright
wrote:
On 22/10/2018 21:25, Jim Wilkinson Knife wrote:
On Mon, 22 Oct 2018 21:12:17 +0100, Bill Wright
wrote:
On 22/10/2018 20:14, Jim Wilkinson Knife wrote:
No, Peltier is very inefficient.
There must be a better substance then?
Not necessarily. Many imperfect things in life are as good as it gets.
Everybody thinks that until a new invention occurs.
But until the new thing has been invented it won't be available will it?
So what you've got is as good as you're going to get, now.
Unless people are sensible enough to work on improving it.
No one improved thermocouples and that wasn't for the want of trying.
Or do we have to wait for the Japanese to do it for us?
They didn't with thermocouples, or computers either.