I learned, belatedly, that last October 17 was Spreadsheet Day, marking the 35th anniversary of VisiCalc, the Apple II program that started it all. This moved me to republish a long piece I wrote 30 ...

Kristin Poinar can speak to the media about climate change, ice sheets and sea level rise. As a researcher, she uses computer modeling to understand how Earth’s ice sheets are shrinking and ...

New Year's Day, 2002. Without warning, a few large cracks in the Larsen B ice shelf appeared in satellite imagery. Within days, car-sized chunks of ice appeared in the water. Then shards of ice larger ...

Building information modeling (BIM) is not a new concept in the mechanical contracting and construction industries. In fact, it has become somewhat of a requirement in most mid-size to large ...

Bryn Harman, CFA, has 40+ years of experience in corporate finance, including as CEO/CIO of value-oriented investing firm Pelouse Capital Management. Robert Kelly is managing director of XTS Energy ...

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. Michael Boyle ...