Find the right combination
[6678] Find the right combination - The computer chose a secret code (sequence of 4 digits from 1 to 6). Your goal is to find that code. Black circles indicate the number of hits on the right spot. White circles indicate the number of hits on the wrong spot. - #brainteasers #mastermind - Correct Answers: 22 - The first user who solved this task is Nasrin 24 T
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Find the right combination

The computer chose a secret code (sequence of 4 digits from 1 to 6). Your goal is to find that code. Black circles indicate the number of hits on the right spot. White circles indicate the number of hits on the wrong spot.
Correct answers: 22
The first user who solved this task is Nasrin 24 T.
#brainteasers #mastermind
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10 Vampire Jokes for Halloween

Why didn't anyone want to babysit the little vampire?
A) Because he was a pain in the neck.

What is Dracula's favorite place in New York City?
A) The Vampire State Building

What did the little vampire say when he went to bed?
A) Turn on the dark, I am afraid of the light.

What did the vampire say to his victim?
A) It's been nice gnawing you.

Why do little vampires look forward to school lunches?
A) Because they know they won't get stake.

Who did Dracula take out on a date?
A) His ghoul friend

What do vampires fear the most?
A) Tooth decay

How do you join Dracula's fan club?
A) Send your name, address, and blood type.

What's a vampire's favorite fruit?
A) Nectarines

What's a vampire's favorite animal?
A) A giraffe

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Solar heated house

In 1955, the first U.S. house to be both solar-heated and radiation-cooled started its system. It was built in Tucson, Arizona by solar physicist Raymond W. Bliss, Jr. (6 Oct 1915 - 7 Nov 2004). The system was built at a cost of nearly $4,000 for labour and materials. It was made using a large slanted slab of steel and glass that converted sunlight into heat, which was ducted into the house. Summer cooling used the same ducts and associated fans and controls. The first U.S. house to be completely solar heated was occupied in Dover, Mass. on 24 Dec 1948. That heating system was designed by Dr. Maria Telkes from the MIT Solar Laboratory, used black sheet metal collectors to capture solar energy, stored by the phase-change of sodium sulphate decahydrate in “heat bins.”
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