The tangram is a dissection puzzle consisting of seven flat shapes, called tans, which are put together to form shapes. The objective of the puzzle is to form a specific shape using all seven pieces, which may not overlap.

"Chess can be described as the movement of pieces eating one another."

"People like us, who believe in physics, know that the distinction between
past, present, and future is only a stubbornly persistent illusion."

An identity crisis is a term in an epigenetic and social psychological theory in which an individual loses a sense of personal sameness and historical continuity. The term was coined by the psychologist Erik Erikson. According to Erikson, an identity crisis is a time of intensive analysis and exploration of different ways of looking at oneself.

Serious monkey business, May Day 2010.

The Oblique Strategies constitute a set of over 100 cards, each of which is a suggestion of a course of action or thinking to assist in creative situations. These famous cards have been used by many artists and creative people all over the world since their initial publication in 1975.

Influenced by Neville Brody’s design for The Face magazine, the Street Sounds Electro sleeves designed by Red Ranch eventually went on to inspire an electro cover of The Face magazine by Neville Brody. Perhaps overshadowed at the time by the music that the records carried, the sleeves were undoubtedly part of their success.

The Orbison illusion is an optical illusion that was first described by the psychologist William Orbison in 1939. The bounding rectangle and inner squares both appear distorted in the presence of the radiating lines. The background gives us the impression there is some sort of perspective. As a result, our brain sees the shapes distorted.

"Chess can be described as the movement of pieces eating one another."

Devised by brand consultants Wolff Olins, the 2012 Olympics logo was hailed as "dynamic" and "vibrant" by organisers. A segment of animated footage released at the same time as the logo, caused seizures in a number of people who (like me) suffer from photosensitive epilepsy.