Joran van der Sloot, the Dutch citizen who has admitted to killing American tourist Natalee Holloway in 2005, appears to have attempted to end his own life in a Peruvian ...

A laser is usually constructed from two basic elements: a material that provides optical gain through stimulated emission and an optical cavity that partially traps the light. When the total gain in ...

Chris Wedel is a fan of all things tech and gadgets. Living in rural Kansas with his wife and two young boys makes finding ways to stay online tricky — not to mention making my homestead smarter.

Abstract: String validation routines have been widely used in many real-world applications, such as email validation and postcode validation. String test cases are adopted to test these validation ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Marguerita is a Certified Financial Planner (CFP), Chartered Retirement Planning Counselor ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

Abstract: Quantum random number generators (QRNGs) are a burgeoning technology used for a variety of applications, including modern security and encryption systems. Typical methods exploit an entropy ...

KOHLER backup generators automatically switch on in the event of a power outage. Generators help run electricity to your home for appliances, whole-home circuits, sump pumps, HVAC units and water ...

We are given a vocabulary V of (lowercase) English words. It uses letters of the English alphabet [a-z], digits [0-9], and the apostrophe symbol [']. No other characters are used in the vocabulary V.

United for Libraries and Penguin Random House will award grants of $500 and $1,000 (totaling $25,000) to support libraries in need. Specifically, grant funds will assist Friends of Library groups with ...