The idea sounds like pure science fiction: a giant cannon that hurls satellites toward orbit at 28,400 km/h, using raw kinetic energy instead of towering rockets. Yet a new generation of space ...

Discover a fast and powerful calculus-based method for finding square roots with impressive accuracy. This explanation shows how derivatives and iterative approximation can be used to quickly zero in ...

Kristen Stewart is weighing in on the Method acting debate. “The Chronology of Water” director recently told the New York Times that acting is by nature “quite embarrassing and unmasculine,” and that ...

During an interview with The New York Times, Stewart was asked about method acting after the conversation turned to Marlon Brando’s work on “Superman: The Movie.” The legendary actor reportedly would ...

Paying off debts is one of the most important steps in improving your financial life. How you approach it, though, comes down to your personality. If you're someone who needs a quick win right off the ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Vikki Velasquez is a researcher and writer ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

There are events of the year, persons of the year, images of the year.... We could not resist: why not a Method of the Year? Methods are a driving force of scientific progress. We think they should be ...

Managing your inbox is a never-ending task, which is why we should seek to simplify it as much as possible. When emails pile up, you start overthinking what you need to do—I know I do, anyway. But if ...

When you want to be more productive, it helps to have a role model. Financial blogs are forever interviewing contemporary CEOs about their work habits, but those aren’t that inspirational; they’re ...

Terms apply to American Express benefits and offers. Visit americanexpress.com to learn more. Any time you tap, swipe or dip a credit or debit card at checkout or enter your card number online, you ...

Whether a poor night’s sleep is just an occasional thing or you’re one of the increasing number of people suffering from a frustrating and persistent abundance of them, there is a simple technique ...