How do you know which AI chatbot is the best? Today, we're putting ChatGPT and Perplexity AI head-to-head. Because they're designed for different purposes, it's tough to rate either as unequivocally ...

Transmission dipsticks used to be a basic tool of car ownership, as familiar as the fuel gauge or the hood latch. Now, more ...

Engine wear is not just about how far you drive, it is about how you drive those miles. The tension between quick errands and ...

We often associate tedious tasks with low status but they can be a way to wield subtle power. You don't have to be flashy to ...

Passive, lossy materials with positive index at real frequencies can be used to realize optical antimatter under complex frequency excitation. Our approach enables arbitrary complex \(\epsilon ,\,\mu\ ...

Plasma physics is the study of a state of matter comprising charged particles. Plasmas are usually created by heating a gas until the electrons become detached from their parent atom or molecule. This ...

Revising all formulas often and working through JEE Main questions from previous years will build the required speed and ...