Moxie Marlinspike—the pseudonym of an engineer who set a new standard for private messaging with the creation of the Signal ...

A detailed look at the top crypto arbitrage scanners in 2026, covering features, exchange support, and automation tools.

Before a U-2 spy plane can even begin its takeoff roll, the pilot must give a precise hand signal confirming that critical safety pins are removed and the ejection system is armed. That ritual is only ...

Abstract: Direction-of-arrival (DOA) estimation is critical for electromagnetic systems, yet conventional multichannel array-based methods incur prohibitive hardware costs. They struggle with handling ...

Military brinkmanship between President Trump and Nicolás Maduro of Venezuela has led to an increase in electronic warfare in the region. By Riley Mellen and Anatoly Kurmanaev Riley Mellen and Anatoly ...

Cycads are the oldest living group of seed-producing plants — and it seems they use infrared heat signals to attract specialized nocturnal weevils that deliver their pollen 1. Wendy Valencia-Montoya ...

Abstract: Positioning based on LEO opportunistic signals can serve as a supplement for the global satellite navigation system, especially in areas where the global satellite navigation signal is ...