The Muller-Lyer illusion:
Are the coloured lines the same length?
They are! The different colours and “framing” from the arrows surrounding the lines make them appear to be different sizes, but they are actually equal length.
The Muller-Lyer illusion:
Are the coloured lines the same length?
They are! The different colours and “framing” from the arrows surrounding the lines make them appear to be different sizes, but they are actually equal length.