Home |
Search |
Today's Posts |
|
UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
Reply |
|
LinkBack | Thread Tools | Display Modes |
#1
Posted to uk.d-i-y
|
|||
|
|||
A "****ed-off'" angle grinder ?
From Sciencedaily.com
"In order to study past environmental changes scientists typically acquire samples from deposits laid down in bogs or lakes, within which organic matter, which can be dated is preserved," explains Dr Carr. "But in dryland environments such as southern Africa this isn't possible. Fortunately it seems that hyrax urine preserves organic matter over timescales of tens of thousands of years, which provides remarkable insights into past environmental changes within the hyrax habitat." Obtaining the material is not easy and Dr Chase is an experienced rock- climber, which allows him to reach middens that are often otherwise inaccessible. The middens form extremely tough deposits, which have to then be cut from the rocks with an angle grinder. |
#2
Posted to uk.d-i-y
|
|||
|
|||
A "****ed-off'" angle grinder ?
On 13 Oct, 21:59, robgraham wrote:
From Sciencedaily.com "In order to study past environmental changes scientists typically acquire samples from deposits laid down in bogs or lakes, within which organic matter, which can be dated is preserved," explains Dr Carr. "But in dryland environments such as southern Africa this isn't possible. Fortunately it seems that hyrax urine preserves organic matter over timescales of tens of thousands of years, which provides remarkable insights into past environmental changes within the hyrax habitat." Obtaining the material is not easy and Dr Chase is an experienced rock- climber, which allows him to reach middens that are often otherwise inaccessible. The middens form extremely tough deposits, which have to then be cut from the rocks with an angle grinder. You really need to give up reading that site. |
#3
Posted to uk.d-i-y
|
|||
|
|||
A "****ed-off'" angle grinder ?
"robgraham" wrote in message ... From Sciencedaily.com "In order to study past environmental changes scientists typically acquire samples from deposits laid down in bogs or lakes, within which organic matter, which can be dated is preserved," explains Dr Carr. "But in dryland environments such as southern Africa this isn't possible. Fortunately it seems that hyrax urine preserves organic matter over timescales of tens of thousands of years, which provides remarkable insights into past environmental changes within the hyrax habitat." Obtaining the material is not easy and Dr Chase is an experienced rock- climber, which allows him to reach middens that are often otherwise inaccessible. The middens form extremely tough deposits, which have to then be cut from the rocks with an angle grinder. You'd want a bloody good dust mask! |
Reply |
Thread Tools | Search this Thread |
Display Modes | |
|
|
Similar Threads | ||||
Thread | Forum | |||
9" angle grinder with a diamond blade that is stuck on. | UK diy | |||
Decent 4.5" angle grinder | Metalworking | |||
Partial follow-up on 4" angle grinder | Home Repair | |||
M14-2 right angle grinder arbor. Where to get wheels 7"-9" | Metalworking |