The late eighties were supposed to be the age of compromise for performance cars, squeezed by fuel prices and emissions rules ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Khadija Khartit is a strategy, investment, and funding expert, and an educator of fintech ...

It’s hard to overstate the importance of avoiding dehydration. After all, water is involved in almost all of your body’s processes — including digestion, breathing, sweating, and brain function, per ...

Control theory is a branch of mathematics and engineering, which defines the conditions needed for a system to maintain a controlled output in the face of input variation. Classically developed for ...

We independently review everything we recommend. We may get paid to link out to retailer sites, and when you buy through our links, we may earn a commission. Learn more› By Ellen Lee Ellen Lee is a ...

Editor's note: On December 11, we reviewed all of the items in this guide and removed anything that won't arrive in time for December 25. Looking for the perfect Christmas gift for the runner in your ...

Valve Software, creator of Steam, remains privately held, unlikely to IPO soon. Alternative investment options include shares in other public gaming firms like EA or Take-Two. Interested in gaming ...

Want more tried and tested recommendations from the RW editors? Sign up to our monthly newsletter Kit Bag. Click here to subscribe. Editor's note: We updated this page on 17 December 2025, in line ...