Transcatheter aortic valve implantation (TAVI) for severe, isolated, native aortic regurgitation has been challenging with use of transcatheter heart valves designed for aortic stenosis (off-label use ...

Abstract: This article presents the design strategy and the implementation of a three-way Doherty power amplifier (DPA3W) to enhance the efficiency at deep power back-off. Theoretical design equations ...

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There are numerous automotive engine configurations, from the 4-cylinder variety all the way up to 16-cylinder engines, which are extremely cool but have only been used in a few production cars. While ...

Nigel first entered the world of automotive journalism in the mid-80s, working for what was then the “bible” of weekly automotive content - Motoring News. Those were the days of tip-tap typewriters, ...

The PM spoke to Metro at a visit to a bank in Brighton, where he was asked about online rumours the Digital ID system will be used to track how much meat people eat. Aussie obliterates American GOAT ...

Three fire engines were sent to a garage fire in the Potteries - which left a woman in hospital. Emergency services were scrambled to the scene in Fegg Hayes on Saturday afternoon. Today and ...

Vladimir Guerrero Jr. continued his torrid postseason on Sunday night as the Blue Jays fought off the Mariners to force a winner-take-all Game 7 against the Mariners. Guerrero's sixth-inning home run ...