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

Hackers can attack phones via Bluetooth earbuds and headphones Donald Trump could let millions of illegal immigrants stay in US Major wine company will lay off more than 1,700 California workers and ...

National Guard pilot Jo Ellis is suing a right-wing influencer for falsely blaming her for a DC crash that killed 67 people.

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 79-year-old "Hairless Joe!" C-47, which once transported troops and cargo during WWII, highlighted the airport's 100 ...

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

The DC Lottery offers several games to choose from if you think it’s your lucky day. You can choose from national lottery games, like the Powerball and Mega Millions, or a variety of local games ...

Metro WWII-era airplane makes special appearance at Cleveland airport for centennial celebration Updated: Jul. 01, 2025, 7:53 p.m. | Published: Jul. 01, 2025, 5:46 p.m. 17 1/17 ...

The DC Lottery offers several games to choose from if you think it’s your lucky day. You can choose from national lottery games, like the Powerball and Mega Millions, or a variety of local games ...

The initial report of last month’s fatal plane crash in Montrose says witnesses could tell something was wrong with the ...

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 ...