Unanswered Questions
28 questions with no upvoted or accepted answers
8
votes
0
answers
201
views
Is it possible to create a knot that is locked only when the rope is stretched?
Is it possible to create a knot that is stable/locked when the rope is stretched?
When the tension is relived the knot should open.
7
votes
0
answers
141
views
Hand tiling - 4x inflated pentominoes with pentominoes and tetrominos
This is a manual tiling puzzle. Difficulty level always hard to estimate, but I would say a few minutes per solution for an accomplished solver, all the way to just about impossible for someone like ...
6
votes
0
answers
266
views
Mate-in-25 tsumeshogi
This is apparently the first shogi-related question on this site! Yay!
Anyway, this is a mate-in-25 tsumeshogi. Sente (the player with the pieces pointing up) is to move and by an uninterrupted series ...
6
votes
0
answers
186
views
How many items are there in the lab?
I am looking for how to complete the following question so that it gives a unique solution. Maybe somebody can give a visual solution.
A lab contains experimental equipment. 24 items are ready to use ...
6
votes
1
answer
307
views
Creating accessible crosswords
Often, crosswords* posted to Puzzling have at least one of the grid or clues in an image. For visually impaired, blind, and/or screen-reader using people, or those who can't see images for some other ...
5
votes
1
answer
479
views
Oh no, my chocolate banana puzzles are not unique!
There is a hidden message (7, 2) inside the solutions of the nine puzzles. An answer will only be accepted if it correctly identifies said message.
Here are the Chocolate Banana puzzle rules. Each ...
4
votes
0
answers
349
views
Do minecart puzzles like this, with buttons that rotate track, exist?
This is the end result of me messing around with minecarts and moving floors.
The buttons change the orientation of either their nearest or their same-color track. Now I'm not asking you to solve the ...
4
votes
0
answers
158
views
Ideas on spatial puzzles for a city walk
Background.
With the relaxation of covid-related restrictions, there was a need for intelligent city walks. Walk here is a moving between city objects by a certain (deterministic/stochastic) route.
I ...
4
votes
0
answers
90
views
How to create a puzzle from a pre-existing, fixed data source?
Examples of what I mean:
Instructions lead puzzlers to a library where the names of donors are inscribed on bricks out front. Along with some piece of information that is given to them on a piece of ...
3
votes
0
answers
186
views
Seeking Software to Convert Line Drawings into Connect-the-Dots Puzzles
I am on the lookout for a software solution, whether free or premium, that is capable of transforming line drawing images into connect-the-dots puzzles. My interest lies in both vector and bitmap ...
3
votes
0
answers
93
views
Another hand tiling puzzle - 8 convex shapes from 7 polyiamonds
Arrange the 7 polyiamonds in the image into 8 different convex shapes. One after the other, not simultaneously... Rotating and flipping allowed. No gaps or overlaps.
Should be a fairly easy puzzle.
3
votes
0
answers
138
views
Hand tiling polyiamond puzzle. Non-trivial
Group these 30 polyiamonds into five sets of six, then use each set of six to make five different convex shapes. There are some repeated polyiamonds, no set of six may contain a duplicate. The convex ...
3
votes
0
answers
182
views
Designing a new type of twisty puzzle
Recently, I was fiddling with my Rubik's cube and tried scrambling it only using R and U moves. I then tried to solve it using only R and U moves. I didn't use any cube rotations.
It was an ...
3
votes
0
answers
454
views
Logical descriptions of logic puzzles
What notations are there to describe a logic puzzle format? Here, I'm talking about logic puzzles like Sudoku, Bridges, Kakuro, Tents; games with exact rules and an exact & finite number of ...
3
votes
0
answers
960
views
A deciphering riddle
Recently in class a computer science related deciphering riddle was shown which I could not solve. For the course itself it is not obligatory to solve it but I am interested in the topic and I wonder ...