On Mon, 24 Aug 2015 20:15:44 -0500, Sqwertz >
wrote:

>On Mon, 24 Aug 2015 18:33:39 -0600, graham wrote:
>
>> On 24/08/2015 4:59 PM, Xeno wrote:
>>> On 25/08/2015 8:08 AM, Dave Smith wrote:
>>>> On 2015-08-24 5:30 PM, wrote:
>>>>
>>>>> If I were John, I would send away for a replacement set
>>>>> of the Capresso burrs (Swiss), and figure out how to retrofit
>>>>> his B&D burr grinder with them. Because burrs don't last forever.
>>>>>
>>>>
>>>>
>>>> Oh sure. Those coffee beans are so much tougher than the steel burrs.
>>>
>>> Swing by the Grand Canyon next time you're in the area. Water erodes
>>> stone! ;-)
>>>
>> Actually, it's the sediment carried by water that erodes stone.
>> Graham
>
>Water without any sediment, water is still very effective in erosion.
>If you pour a bucket of water into a pile of dirt, what happens? The
>force of fast moving water is very effective at wearing away rocks.
>
>-sw

Yep, it's physics. Water weights 8 pounds a gallon, 69 pounds per cu
ft! And kinetic energy is 1/2mv^2!! Do the math!

John Kuthe...