Astronomers have been studying comet Catalina using infrared observations from a NASA-backed telescope on an aeroplane to understand carbon in its tail.
Comets could have been an essential source of carbon on planets like Earth and Mars during the early formation of the solar system, says a new study."Carbon is key to learning about the origins of life," said the paper s lead author, .
An island idyll on Lake Minnetonka On an island where time stands still, a local couple built a new lake home in keeping with the unique, closely knit community. August 6, 2012 10:25am Text size Copy shortlink:
Paul and Mary Reyelts were introduced to tiny Crane Island and its bucolic setting years ago, when they would hop a boat and spend the day at their friends century-old yellow cottage. We never wanted to leave, said Mary.
There, they discovered a unique, close-knit community of 14 cottages dotting the perimeter of the densely wooded island on Lake Minnetonka s Upper Lake.
Even though it s only a 30-minute drive from downtown Minneapolis, the island is very much like it was when local businessman Charles Woodward founded it in 1906: a rustic summer getaway.
Quorn or Stent? Let me start the ball rolling …..
I too had the same dilemma – I wanted a small T & C grinder, but was it to be the Quorn or the Stent? In the event, I chose the Quorn and completed construction over a period of several years. The Stent as designed is a fairly crude machine whilst the Quorn appears to be far more sophisticated.
Was this the right decision? Although the Quorn will carry out many operations, particularly with special attachments, I have become increasingly frustrated with it. The main reason being that, apart from movement along the bed bars, other movements involve the generation of arcs rather than straight lines and therefore there are no graduated linear scales. This makes it very tedious to use (for me anyway). The Stent on the other hand has normal linear movements and graduated scales.
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