1. ## palindromes

What word can be written forwards, backwards or upside down and can always be read correctly from left to right?

I

4. ## Re: palindromes

forwards, backwards or upside down

I think you mean ambigram

5. ## Re: palindromes

The best palindrome I ever heard about was a newspaper headline (Hearst-?) describing the entrance of the U.S. in the digging of the Panama Canal:
A MAN, A PLAN, A CANAL; PANAMA!

6. ## Re: palindromes

You can create ambigrams with many words - it is a graphical exercise. See here: ambigram.net - Ambigram Gallery

7. ## Re: palindromes

Originally Posted by David L.
forwards, backwards or upside down

I think you mean ambigram
An ambigram, from my very brief research, requires you to rotate the word, rather than turn it upside down.
BOOB fits the OP's question. Ambigrams generally don't.

8. ## Re: palindromes

Originally Posted by Raymott
An ambigram, from my very brief research, requires you to rotate the word, rather than turn it upside down.
BOOB fits the OP's question. Ambigrams generally don't.
Not sure what you see as a difference between rotate and turn upside down. Dan Brown's first book "Angels and Demons" had an ambigram. You rotated the book so that it was reversed top to bottom in order to see it.

9. ## Re: palindromes

Originally Posted by Anglika
Not sure what you see as a difference between rotate and turn upside down. Dan Brown's first book "Angels and Demons" had an ambigram. You rotated the book so that it was reversed top to bottom in order to see it.
If you rotate something (vertically), the right side ends up on the left.
If you turn something upside down (flip it) the right side remains on the right.
It's the difference between "rotate" and "flip" in many graphics programs.

The following letters remain the same when flipped upside down:
B, C, D, E, H, I, K, O, X. Hence BOXED, BOOB stay the same when flipped, but not rotated.
The following letters remain the same when rotated vertically 180 degrees.
H, I, O, S, X, Z . Hence SOS remains the same when rotated (but not necessarily when flipped)
The following letters remain the same when rotated horizontally 180 degrees:
A, H, I, M, O, T, U, V, W, X, Y . So WOW, YAY, TOOT, (any palindrome with these letters) can be rotated horizontally, but not necessarily flipped or rotated vertically.

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