Abstract: Active front-end boost rectifiers can replace the uncontrolled diode bridge rectifiers for ac–dc conversion offering high power quality with near unity power factor. The four-switch, B4, ...

Cholesterol buildup in your arteries can cause serious leg problems. Discover how peripheral artery disease affects millions and what you can do about it.

Bend both knees to 90 degrees to lower down in the lunge. Press through your front heel to return to standing. If the reverse ...

DAVE Aspery’s family had a very different Christmas this year, after the tragic loss of the 63-year-old three months ago. “I ...