资讯

National Security Journal on MSN9 小时

J-20 Mighty Dragon Stealth Fighter vs. KF-21: Who Wins Summed Up in 1 Word

A hypothetical matchup between China’s 5th-gen J-20 and South Korea’s new 4.5-gen KF-21 highlights a critical capabilities ...

Shooter Detection Systems to Unveil Real-World Results and Enhanced Outdoor Gunshot ...

Shooter Detection Systems (SDS), an Alarm.com (NASDAQ: ALRM) company and leading provider of gunshot detection solutions, ...
Commercial UAV News19 小时Opinion

From Detection to Action: Closing the 95 Year Gap in Aerial Wildfire Response

Detecting wildfires within minutes is a technological triumph—but if aerial suppression is delayed or interrupted due to ...
Independent Record21 小时

The gender gap in math widened in the pandemic. Schools try to make up lost ground

In 2023-2024, boys on average outscored girls in math in nearly nine out of 10 districts, an analysis of test scores shows.
Modern Engineering Marvels on MSN21 小时

The YF-23’s Radical Stealth Vision and Why It Lost

Basically, my job was to make sure that the backend of the airplane didn’t burn off,” said John Shupek, thermal designer of the YF-23A. His comment serves as a distillation of the fanatical ...