Dr. Lonnie Johnson, best known as the inventor of the Super Soaker, has applied his engineering expertise to tackle one of the energy sector’s most persistent challenges: converting waste heat into ...

Bruce Clay, one of the first generation of search engine optimization experts, has passed away. Much of the terminology that he coined and many of the concepts that he pioneered continue to be used ...

Elysse Bell is a finance and business writer for Investopedia. She writes about small business, personal finance, technology, and more. Vikki Velasquez is a researcher and writer who has managed, ...