On Mon, 24 Aug 2015 19:27:38 -0600, graham > wrote:

>On 24/08/2015 7:15 PM, 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.
>>
>Oh, Sorry! I must be out of date then. After all, I received my geology
>Ph.D 45 years ago and have been working in the profession since then.
>Graham

Yes, so you keep telling us on a regular basis...
Regardless, you are wrong.