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China’s newest aircraft carrier may only be able to conduct air operations at about 60% the rate of a 50-year-old US Navy carrier, two former US carrier officers say, a substantial combat limitation ...

Abstract: In this letter, a reflectarray antenna with a small focal diameter ratio (F/D) is presented. It is found that when the F/D is extremely small, the phase constant used in calculating the ...

Abstract: Zero-carbon community is a new concept and practice under the “dual carbon” goal. Building a new zero-carbon energy system with renewable energy as the main resource is an important support ...

The aircraft carrier USS Gerald R Ford, billed by the US Navy as “the most capable, adaptable, and lethal combat platform in the world,” is being sent to the Caribbean as the Trump administration ...

A small but growing number of breweries are replacing or supplementing the use of gas boilers with heat pumps as one step toward their net-zero emissions goals. Well-known breweries including Guinness ...

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WASHINGTON (AP) — Oil prices spiked Thursday after the U.S. announced massive new sanctions on Russia’s oil industry in an attempt to get Russian President Vladimir Putin to the negotiating table and ...

In this video, I install a fenceless stop block system for my miter saw, allowing for effective utilization of the full work surface. This setup is designed for consistent, repeating cuts, which would ...

Gas prices have dropped below three dollars in many parts of the country. This is the lowest price all year, and in some areas, gas is the lowest it has been in four years. Gas prices have dropped ...