It Is the first day of 2026, the year that looked far away at the dawn of 2025, 12 months ago. It is now here and as I type this, I do so in awe of the unseen God, who rules in the affairs of men. If ...

Who doesn’t love the satisfaction that comes with solving a good riddle? As you work through plays on words, confusing hypothetical situations and hidden-in-plain-sight solutions, you get a mental ...

Backward waves have recently attracted considerable interest in the context of photonic metamaterials 4, 5, where they form the basis for negative refraction 6 and underlie so-called perfect lenses 7, ...