Minimum height to loop the loop using conservation of energy. This video explains how gravitational potential energy converts into kinetic energy and why a precise starting height is required to ...

Jason Chun is a CNET writer covering a range of topics in tech, home, wellness, finance and streaming services. He is passionate about language and technology, and has been an avid writer/reader of ...

Terms apply to American Express benefits and offers. Visit americanexpress.com to learn more. The Chase Freedom® is not currently available to new cardholders. Please visit our list of the best ...

Gordon Scott has been an active investor and technical analyst or 20+ years. He is a Chartered Market Technician (CMT). Samantha (Sam) Silberstein, CFP®, CSLP®, EA, is an experienced financial ...

When the IBM PC was new, I served as the president of the San Francisco PC User Group for three years. That’s how I met PCMag’s editorial team, who brought me on board in 1986. In the years since that ...

Machine learning is the ability of a machine to improve its performance based on previous results. Machine learning methods enable computers to learn without being explicitly programmed and have ...

SEATTLE — New mayor Katie Wilson has denied the Seattle Police Officers Guild's (SPOG) allegations of a directive that ordered officers to halt open drug use arrests. The Seattle Police Officers Guild ...

Leeron is a New York-based writer who specializes in covering technology for small and mid-sized businesses. Her work has been featured in publications including Bankrate, Quartz, the Village Voice, ...

Thousands of popular products, including Diet Coke, Cheerios and Pringles were recalled in several states due to rodent contamination concerns. San Francisco's Devil's Teeth Baking Company sells ...