A new optical illusion is going viral. It plays tricks on how we see colours. The illusion uses green, yellow, and black. Some people see the Union Ja ...

VE Day celebrations light up Britain: Icons across the country are coloured with the Union Jack for 80th anniversary By JORDANA SEAL Published: 18:16 EDT, 6 May 2025 | Updated: 21:51 EDT, 6 May 2025 ...