Both UVA and UVB rays can damage your skin, just in different ways. One causes premature aging, the other is more prone to causing sunburn, DNA damage, and skin cancer.

In this paper, a different manner to analyze a buck converter and how to design its feedback control is proposed. The block diagram of the buck converter plant will be described using space-state ...

SSB_reciever_block_diagram No comments by: Gregory L. Charvat January 24, 2015 ← Get Serious With Amateur Radio; Design & Build A Single-Sideband Transceiver From Scratch Part 1 ...

Reliability is a key element in the design and planning of railway traction substation systems. High reliability is an important criterion to guarantee the quality and cost-effectiveness of railway ...

Guidelines and policies on all aspects of IEEE intellectual property rights for authors, readers, researchers, and volunteers.

March 31, 2025 • NPR animator and illustrator Jackie Lay tells the story of Victoria Woodhull, who wrote a letter to the New York Herald in 1870 announcing she was running for president — 50 ...