Re: [DIYbio] Why doesn't someone engineer a simple _____?

Presumably contamination is the problem with placing tubes in anything
liquid. Otherwise just pump in pre-heated or pre-cooled mineral oil as
a bath and drain when the ramp is complete. Or as a similar mechanical
system, pour in/out pre-heated or pre-cooled lead-iron buckshot.
Mechanical systems though are typically larger, heavier, more unwieldy
than electronic systems.

I'll admit though that I've long thought about a simple cooling ramp
using ice water and a thermo-sensor controlled pump. Ice is free.

## Jonathan Cline
## jcline@ieee.org
## Mobile: +1-805-617-0223
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On 8/23/14 11:47 PM, Patrik D'haeseleer wrote:
> Why don't we just suspend PCR tubes in a puddle of liquid

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