Smithsonian National Postal Museum, Washington, D.C.

MANILA, Philippines — Prop pipes, not measuring past an arm’s length, were used to disguise a P179.4 million ghost flood control project in La Union. Department of Public Works and Highways (DPWH) ...

An early predominant manufacturer in the United States, Spencer Heath's American Propeller and Manufacturing Company opened in 1909, and was first to use machines for mass production of aircraft ...

Abstract: This paper carries out a simulation based study on the performance of longitudinal control in an agile fixed-wing UAV with variable pitch propeller (VPP). Transition between cruise level ...

A 2025 Pipistrel Sinus FLEX, with zero airframe hours and an 80hp Rotax engine, is Aircraft For Sale's daily top pick. This LSA glider features interchangeable wingtips for versatility (high-lift ...

Today's passenger aircraft house some of the most cutting-edge innovations in engine technology, and that list most certainly includes turboprop engines. In layman's terms, a turboprop is a jet engine ...

Drag and Drive is Nintendo’s version of three-on-three basketball, but the twist is that players are in wheelchairs. It would be my first test of the mouse functionality in Nintendo’s new Joy-cons, as ...

Alec Regimbal is a politics reporter at SFGATE. He graduated from Western Washington University with a bachelor's degree in journalism. A Washington State native, Alec previously wrote for the Yakima ...

California’s 2024 ballot includes 10 propositions. Prop. 5 would lower the required threshold to pass certain bond measures from a two-thirds supermajority to 55%. California might have escaped the ...

LOS ANGELES -- California voters rejected Proposition 33, which aimed to expand local governments' ability to impose rent control to more types of housing. With more than 70% of precincts reporting ...

California limits rent increases to 10% a year for tenants living in apartments built before 1995. But a law known as Costa-Hawkins prevents cities and counties from passing further rent control, like ...