Psicobloc | Miguel Riera

Miguel Riera of Spain hangs on as he practices Psicobloc climbing over the Mediterranean sea in Porto Cristo at the Balearic island of Mallorca July 28, 2006. Psicobloc is a type of rock-climbing where the climber tries to scale cliffs as high as fifteen meters without a rope.

Picture taken July 28. REUTERS/Dani Cardona (SPAIN)

Psicobloc | Ricardo Alves

Codemaster

Codemaster: Code Maker Create your own secret encoded messages that you can print and give to friends to decode.
Morse Code Machine Learn and practice Morse code with this online Morse code training program.
Multi-code Machine Learn many forms of communication including basic sign language, braille, semiphores, and more.