Glass cells filled with liquid crystals respond to light to make the first time crystals visible to the naked eye, even if you’d still get a better view using magnification. Previous time crystals ...

Complexity theory is a branch of computer science that studies the resources required to solve computational problems, particularly focusing on the classification of problems based on their inherent ...

Was the Franco dictatorship a cause or consequence of the Spanish Civil War? Was Einstein a medieval scientist? Confusions like these are quite common among secondary school students, who tend to ...