Are you ready for a fun, challenging test of your observational skills? Well, today's optical illusion presents the exciting puzzle that will put your focus and attention to detail to the ultimate ...

Not everything is as it seems. Your eyes can sometimes deceive you, what appears to be a simple image can actually be a tricky optical illusion challenge that only the sharpest minds can solve.

Engaging in brain teasers and optical illusions sharpens the mind. A challenge to identify a robot among three friends tests observation and reasoning. The robot is revealed by tire tracks behind ...

Therefore, the basic premise of an optical illusion is to deceive the human brain by tricking it. These illusions deceive our minds into seeing something that does not exist. Practising optical ...

On 25 November 1915, Albert Einstein presented his general theory of relativity at the Prussian Academy of Sciences. This theory is still considered to be the most important idea in modern physics.