Warm up for the brainsPage 4
19-January-2020 Sunday
Warm-up for the brain ;) (puzzle for a circuit designer - digital engineer)
18-June-2019 Tuesday
And how would you get drunk?
13-May-2019 Monday
Puzzle 5
12-May-2019 Sunday
Puzzle 4
11-May-2019 Saturday
Puzzle 3
10-May-2019 Friday
Solve the puzzle! 2
21-March-2019 Thursday
Neurotrainer
26-February-2019 Tuesday
Unsolvable problem
17-January-2019 Thursday
Nootropic of Butter Coconut Oil and Coffee
17-December-2018 Monday
Three most exciting questions about nootropics
23-July-2018 Monday
Riddle about the heads buried in the sand
04-July-2018 Wednesday
Aiming guide.
10-April-2018 Tuesday
Mathematical riddle