THE first experimental proof is in that a quantum computer can be built using quantum dots. Quantum dots are minute spheres of semiconductor material that hold a charge, or bit of information, in a ...

The image presents a grid of black dots that initially appears simple. However, prolonged staring reveals an illusion where the brain misinterprets sizes and spacing, leading to miscounting of the ...

Sign up for the best picks from our travel, fashion and lifestyle writers. A perplexing optical illusion is sweeping the internet as people struggle to work out the ...