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Latest Activity: Mar 14
Started by Ruth Anthony-Gardner. Last reply by Plinius Mar 13.
This is what your smartphone is doing to your brain — and it isn't goodSmart phone = not so smart…Continue
Tags: notifications', phone, multitasking, , switch, cost"
Started by Ruth Anthony-Gardner. Last reply by Joseph P Mar 7.
Amazon owns my Echo; I’m just feeding itI found this personal story more disturbing than humorous. It's a dystopian…Continue
Tags: corporate takeover, personal digital assistants
Started by Cane Kostovski. Last reply by Cane Kostovski Feb 10.
Started by Ruth Anthony-Gardner Jan 27.
Now even YouTube serves ads with CPU-draining cryptocurrency minersWatching…Continue
Tags: cryptocurrency, YouTube, malware
Started by Ruth Anthony-Gardner Dec 17, 2017.
“Suspicious” event routes traffic for big-name sites through RussiaInternet…Continue
Tags: internet hijacking
Started by Ruth Anthony-Gardner Dec 12, 2017.
SOCIAL MEDIA FROM AUTOMATED INAUTHENTICITY“Artificial neural networks are advancing rapidly in their ability to…Continue
Tags: phony online content
Started by Ruth Anthony-Gardner. Last reply by Ruth Anthony-Gardner Nov 21, 2017.
HOW PETER THIEL’S PALANTIR HELPED THE NSA SPY ON THE WHOLE WORLDYou'll be floored by the imbalance of information…Continue
Tags: Peter Thiel, surveillance, XKEYSCORE, Plantair
Started by Ruth Anthony-Gardner Nov 18, 2017.
Engineers Create Stable Plasma Ring in Open AirYou've probably played with a plasma ball.…Continue
Tags: plasma advance
Serge welcome to the group.
Thank you Grinning Cat for the puzzles. Those are great.
Freethinker 1992 thanks for joining the group.
In high school I learned a version of the "age of children" puzzle called the Census-Taker's Problem, or the Chocolate Pudding Puzzle.
A door-to-door census taker is interviewing a puzzle fanatic, learns that she has three daughters, and wants to know their ages [considered as integers]. The homeowner replies that the product of their ages is 72, and the sum is the house number. The census taker looks at the house number, does a few calculations, and admits defeat. Finally the homeowner adds, "My oldest daughter likes chocolate pudding", which enables the census-taker to find the ages.
I had fun telling people that chocolate pudding had absolutely nothing to do with the solution; infants, seniors, and people anywhere in between enjoy it!
Spud, I've seen a version of the electrician problem with, specifically, 100 wires. It's easier to start with 6 or 10. (With some numbers I can do it in two rides. Does it ever take more than three?)
Also, how efficiently can we label the wires given, not the binary continuity tester in the puzzle, but a real ohmmeter that could tell you how many wire-lengths are connected between two points?
Grinning, thanks for the puzzles. Should give me many months of entertainment. I'm sure I've solved the "Enclosing land by fence pieces" one. Took me about 10 minutes.
I started on the electrical problem because I thought it might be easy as I'm an electronics tech. However, after spending 10 minutes on it, I have some of it, but don't think I have it all.
Thanks for the video Tony.
For indulging mathematical/logical geekery:
Rustan Leino's puzzle page
"...some mathematical puzzles that I have enjoyed. Most of them are of the kind that you can discuss and solve at a dinner table, usually without pen and paper."
(Your mileage may vary!!! And there are no solutions. I did surprise myself by coming up with a solution to the "alternating T-shirt colors" puzzle.)
Okay my fellow geeks, nerds, boffins, fanboys and fangirls. First full trailer for Guardians of the Galaxy. Looks like fun. Enjoy.
Sean welcome to the group.
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