So, how can you calculate the square footage of your lawn? There are a variety of online apps that you can use, such as Planimeter. But, many of these apps have a fee you must pay. One of the easiest ...

American astronomer Beverly Turner Lynds died peacefully Oct. 5, 2024 at a hospice in Portland, Oregon, after suffering a stroke in early September. She was 95 years old. Lynds was born Aug. 19, 1929, ...

[Chris Staecker] introduces us to the polar planimeter, a measuring tool created specifically for the purpose and explained in full in the video below the break. The polar planimeter being ...