Here's our full review of the Costway Portable Air Conditioner after testing. We found it cooled small spaces quickly, ran ...

These are our favourite premium economy seats for when economy isn't cutting it, but business class is off the table ...

Should the Department of Government Efficiency be required to release public records under the Freedom of Information Act, or can it keep such files hidden due to executive ...

These are our favorite premium economy products for when coach isn't cutting it, but business class is off the table.

MUNICH − Lufthansa’s new cabin concept, which the airline branded Allegris, is flying to the U.S. now, with destinations from Munich including Chicago, Newark/New York, San Diego and San ...

Lufthansa’s new premium economy seats feature headrests with privacy wings and most of the other standard premium economy features: increased legroom, a foot and leg rest, noise canceling headphones ...

Lufthansa's new cabin concept, Allegris, is now available on flights from Munich to several U.S. cities. Allegris features redesigned seats in all classes, from first class suites to economy.

Power relays are specifically designed to handle either AC or DC. It’s important to know the fundamental differences between them before building them into a system. Introduction to AC and DC ...

The demand for smaller, lighter, and more efficient AC/DC USB power delivery (PD) chargers is always a challenge for power-supply design engineers. Below 100 W, the quasi-resonant flyback is still the ...