Sony's PlayStation 5 will offer a complete suite of new audio and visual advances, covered in this in-depth livestream.
Make your brain earn its keep with these awesome tricky puzzles.
Is it magic? Or is it maths? The answer is most probably the latter.
Starting with some fan favorites: Sonic, Transformers, X-Men, and the Little Mermaid.
What is an optical illusion, and how do some of them work?