As electric aviation advances, charging technology plays a key role. This article explains how electric planes power up on ...

集成式隔离 dc/dc 转换器难找（特别是 3.3v 5v 且有隔离要求的） 有的交期长、价格贵（稳定输出模块甚至达到 $10） 标准模块隔离电压通常限制在 1~2kv. 解决思路 ：用分立器件（逻辑门 + mosfet + 变压器 + ldo）搭建一个 成本低、隔离高、易定制 的 dc/dc 转换器结构 ...

Though the B-17D was eased into the water in the trough between waves, it still struck with such force that bolted-down ...

American Airlines initiated DST nonstop New York-to-Chicago service on June 25, 1936. and in September started service with the DC-3. A year later, with the DC-3 in service, Smith stated, "It was the ...

The last US-built commercial airplane with a flight engineer was a 747-200, although a unique aircraft with a flight engineer ...

A vintage Air North DC-3 plane, grounded for a decade, took to the sky once again after being restored by aviation enthusiasts in the U.S. "I am an antique airplane guy," said Ken Casady, a pilot ...

U.S. District Judge Paula Xinis wants to know exactly where the government will send Kilmar Abrego Garcia if a federal judge in Tennessee releases him on July 16.

You can choose from national lottery games, like the Powerball and Mega Millions, or a variety of local games, like the DC 2, DC 3, DC 4 and DC 5.

The National Transportation Safety Board uncovered more than 15,000 “near-miss events” between helicopters and jets at Reagan National airport in just three years leading up to the American ...

Recovery efforts continue following helicopter, airplane collision in DC ABC News’ Gio Benitez shares the latest on last week’s collision between an American Airlines flight and a Black Hawk ...

A suspect accused of shooting three officers with the Metropolitan Police Department in Washington, DC, while they were attempting to serve an arrest warrant for animal cruelty surrendered after ...