Discover how to securely manage, combine, and extract data from PDFs without installing third-party software on your PC.

The IRS Direct File program is no longer available. (Photo by Tasos Katopodis/Getty Images for Economic Security Project) We knew that it was coming, but now we know for sure: Direct File, the free ...

Although most people have fast internet access nowadays, sending large files and amounts of data remains a problem. This is because free e-mail services such as Outlook.com or Gmail limit the data ...

A beamsplitter is an optical device capable of splitting an incident light beam into two. These tools can split both laser and regular light. A beamsplitter can also combine two incoming beams from ...