pinball1970's latest activity
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pinball1970 replied to the thread Other Good recent layman's overview of the sciences.I know lots of books but i am not qualified to comment on them other than I liked reading them! I enjoyed "Fermat's last theorem," by... -
'Took a flight back to flight to midwest (US) last week. 'Passed over (or at least near) the eastern part of the Grand Canyon. Here are...
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pinball1970 replied to the thread Housecat Reproduction.Would it be more like a growth factor? R?
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pinball1970 replied to the thread Housecat Reproduction.So its a 50/50 split? 80/20? 95/5? It makes a difference.
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pinball1970 replied to the thread Housecat Reproduction."given unlimited resources" I took to mean access to males as well as Whiskers.
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If they were then after seven years you would have at most 100 housecats.
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pinball1970 replied to the thread Other Good recent layman's overview of the sciences.Professionals on this site have spoken highly of "The first three minutes" Steven Weinberg, second edition is also 1993. "The Road to...
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pinball1970 reacted to AlexB23's post in the thread How good is Brian Cox as a science communicator? with
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Is he worse than Michio Kaku' popular physics? When I was young, both of those guys were on different science channels on TV back in the... -
pinball1970 replied to the thread Housecat Reproduction.Start Jan 1st. For one female cat they can have 20 kittens in a year, average 4 litters and 5 kittens per litter. Kitten can reach...
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pinball1970 replied to the thread Housecat Reproduction.Are they all female?
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Start with one hundred housecats. Given unlimited resources, in seven years you will have a billion housecats.
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pinball1970 reacted to jrmichler's post in the thread Technical Analysis on Titan Sub (Titanic Sub) with Like.
Neither does the FAA. Transport category aircraft have a design limit load factor of 2.5 without significant damage, and ultimate load...
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pinball1970 reacted to snorkack's post in the thread Technical Analysis on Titan Sub (Titanic Sub) with Like.
Well, I have the issue with "bigger"/"known volume" here. For explosion, the pulse frequency is easy. Underwater explosion in...
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pinball1970 reacted to russ_watters's post in the thread Technical Analysis on Titan Sub (Titanic Sub) with Like.
The moon landing amazes me. The amount of technology that had to be invented from scratch and massive complexity of the craft with so...
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pinball1970 reacted to Astronuc's post in the thread Technical Analysis on Titan Sub (Titanic Sub) with Like.
David Pogue's account (journal) of his experience with Titan...
