The duck-rabbit, an ambiguous drawing introduced by the Gestalt psychologist Jastrow, was used by the philosopher Ludwig Wittgenstein to illustrate his account of perception and 'seeing as': the figure can be seen as a duck or as a rabbit, though the figure itself does not change.
Rejected pencils from the Derwent factory are combined together to make colourful blocks that are cut and shaped by hand to create this colourful brooch. Measures 2 x 4.5 cm in diameter.Made from recycled pencils and reclaimed tropical hardwood.
Celebrate women working and achieving in STEM with this brilliant pin. Part of our Badges of Honour range. Enameled blue metal badge. Measures approx 3 cm long.
Celebrate your passion for precision with this librarian style enamel pin. Part of our Badges of Honour range. Enameled black and silver metal badge. Measures approx 3 cm long. Made in the UK.
On a silver-plated chain, an image of the full moon - and strung on the same chain, a photograph of earth, that can move in relation to the moon. The images are embedded under solid glass domes in silver-plated settings. Full length of chain is...