Sampling a signal causes the original signal spectrum (blue) to create sum (purple) and difference (red) frequencies around the sampling frequency, fS. When the difference signals fall into the ...

Bayesian thinking helps you make better decisions by updating your beliefs when new evidence appears. Even in games of chance like scratch-off lotteries, paying attention to information can improve ...

Quantum mechanics and relativity are the two pillars of modern physics. However, for over a century, their treatment of space ...

In an era of constant connectivity, sometimes less is more. The best dumb phones — or feature phones, if you prefer — offer a refreshing break from the endless notifications and distractions of the ...