Abstract: In this letter, a pulse alternation modulation (PAM) for a four-level buck/boost (FLBB) converter is proposed. The inherent flaws of the existing modulations are analyzed. The low slope of ...

Below, experts share what COVID-related issues should be instant red flags, plus some advice on what to do: According to Dr. Natasha Bhuyan, the national medical director at Amazon One Medical, red ...

New figures from the NHS show that the number of people in hospital in England with flu continues to rise and remains at a ...

Yakima River basin reservoirs rose sharply this week, lifting the irrigation-dependent region in Central Washington closer to recovering from last summer’s severe drought. Nearly 90,000 acre-feet of ...

Paradoxical insomnia is a sleep disorder in which a person feels like they are not getting enough sleep, yet objective sleep testing does not detect any sleep disturbances. They may experience limited ...

Javascript must be enabled to use this site. Please enable Javascript in your browser and try again. Refresh your defensive driving skills this holiday season with ...

The 3 oximetry devices had poor agreement for mean and median SpO 2 and oxygen desaturation index, with wide limits of agreement. Using different oximeter devices for monitoring stable patients under ...

After years of reports about the importance of protecting local communities and the planet when traveling, it seems responsible travel may finally be emerging from its ‘niche’ status and becoming the ...