NPR's Ailsa Chang speaks to mathematician Eugenia Cheng about the Pascaline -- a 17th-century invention credited as the first mechanical calculator.

If you're planning to increase your electrical load by adding a new major appliance, make sure your panel can handle it. Here's how.

Disposable batteries seem so 1990s. Sure, it’s nice to be able to spend a couple of bucks at the drugstore and get a flashlight or TV remote back in the game, but when the device is a daily ...

Use the sales tax calculator to figure out how much sales tax you’ll potentially owe on a purchase. Many, or all, of the products featured on this page are from our advertising partners who compensate ...

Michaela Mulligan a climate and environment reporter. Reach her at [email protected]. Anyone can view a sampling of recent comments, but you must be a Times subscriber to contribute. Log in above ...

Anyone can view a sampling of recent comments, but you must be a Times subscriber to contribute. Log in above or subscribe here. Conversations are opinions of our readers and are subject to the ...

Direct data extraction from game files. Support mods. Support for future versions. Browsing feature of extracted data. Calculation of product/resource for the entire station. Calculation of the ware ...