Lolfred Tennyson


Name a famous European figure from the 19th century, whose name contains three words. Remove 3 consecutive letters, and you’ll end up with a famous American figure from the 20th century, in two words. Who are they?

Tired Of People Running Through The Hallway, This Company Decided To Install This Floor

Genius Optical Illusion On This Floor Stops People From Running In The Hallway
Look carefully at this floor. There’s a big hole in it isn’t there? Nope, it’s actually perfectly flat and was designed to stop you running down the hallway of a showroom for Casa Ceramica, a tile company from Manchester, UK.

I’m a sucker for optical illusion trolling.

Cryptii encryption and decryption tool

Modular conversion, encoding and encryption online
Web app offering modular conversion, encoding and encryption online. Translations are done in the browser without any server interaction. This is an Open Source project, code licensed MIT.

Oh shit, this is the nicest online solving tool I’ve ever seen. Decrypt/encrypt from anything to anything. And it’s got fully featured API.

Cryptii's Enigma Machine decoder

The Enigma machine: Encrypt and decrypt online
The Enigma cipher machine is well known for the vital role it played during WWII. Alan Turing and his attempts to crack the Enigma machine code changed history. Nevertheless, many messages could not be decrypted until today.

Been sitting on a pile of encrypted German messages? Now you too can solve them, using Cryptii.

Solution to the previous Puzzler

The rest of this post is for Signals subscribers. It's free to join.
Here are some reasons why you might want to.

Already have an account? Sign in.

Subscribe to Signals

Get puzzles and links delivered weekly to your inbox.