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This is follow up question to How long has the warden been the warden
Nothing has been changed, you are in the jail again and the only information you have now is that it can be at most $15$ days since warden has been in his position. With given this very specific information and with the same r...
I keep staring at this sudoku puzzle and can't seem to find the next move.
Is the next move a guessing move? I thought sudoku always has clear solutions, you just need to figure them out.
P.S. I only wrote notes where I knew there are maximum 2 possibilities in the same 3x3 cell. I intentiona...
A long time ago, I saw on a website (with a grec sounding name i can't remember), a card trick I've passed a long time trying to solve. I hope it has never been posted there and i'm sure it will interest you.
The trick is done by a magician, two assistants and a 53 card pack (with one unique Jo...
Hysteresis is the dependence of the state of a system on its history. For example, a magnet may have more than one possible magnetic moment in a given magnetic field, depending on how the field changed in the past. Plots of a single component of the moment often form a loop or hysteresis curve, where there are different values of one variable depending on the direction of change of another variable. This history dependence is the basis of memory in a hard disk drive and the remanence that retains a record of the Earth's magnetic field magnitude in the past. Hysteresis occurs in ferromagnetic and...
Twenty Four Matchsticks are used to create a 3 x 3 grid. Can you remove 8 to from the configuration so that you are left with two squares that do not touch each other?
Infarction is tissue death (necrosis) due to inadequate blood supply to the affected area. It may be caused by artery blockages, rupture, mechanical compression or vasoconstriction. The resulting lesion is referred to as an infarct (from the Latin infarctus, "stuffed into").
Myocardial infarction is the partial death of heart tissue commonly known as a heart attack.
== Causes ==
Infarction occurs as a result of prolonged ischemia, which is the insufficient supply of oxygen and nutrition to an area of tissue due to a disruption in blood supply. The blood vessel supplying the affected area of tissue...
The images below are connected by a single word:
What is the word, and what are the connections?
"I am waiting
waiting for you
for you to come...
Here I stand
facing their lines,
the scores of them
fill my vision.
My troops too few,
I can't attack,
but you can.
Then attack,
strike them down,
and when you're finished,
tell me what you've done."
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Born on the first soil, aiming for the next
Stolen as replacement, his life a lie
To be loved, serve but never die
Death came in a flash, lost mother
Hideous rictus, fear and darkness
Insanity lurking in the water
A mirror to his own madness
Four were in fact five
Then five wer...
I kinda like that viral riddle from a few years ago with cheryl's birthday
Today i tried to craft a similar one which one would be solved with the same technique. I especially like how the last line of it communicates information only to the reader and not between the characters.
Anyway I faile...
This is another number formation question. You must use each of $2$, $1$ and $8$ exactly twice to make the number $2018$. The rules are
Allowed symbols: $+$, $-$, $\times$, $\div$, $\sqrt{\quad}$, $!$. Arbitrary functions (such as the logarithm) are not allowed.
The ordering of the numbers are ...
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