Unlock the power of everyday items with these three clever DIY life hacks! Learn how to craft a compact pen-light using a ballpoint pen, LED, and button cell battery, build a simple electric motor ...
Discover how to build a simple solar cell at home using everyday materials! This step-by-step tutorial demonstrates how to repurpose an aluminum can, a CD, copper wire, toothpaste, lemon juice, and a ...
Methods for obtaining blood samples from mice tend to be difficult, inhumane, or both. The authors describe an inexpensive, disposable, single-use lancet for submandibular bleeding of mice that allows ...
Carol M. Kopp edits features on a wide range of subjects for Investopedia, including investing, personal finance, retirement planning, taxes, business management, and career development. Khadija ...