Tracking monthly expenses can help you get an accurate picture of where your money is going and where you’d like it to go. Here’s how to start expense tracking.

The United States maintains an extensive military footprint in the Middle East, including a number of naval assets and permanent U.S. bases. Washington’s presence has allowed it to respond to ...

Millimeter wave radar can measure distances, directions, and Doppler velocity for objects in harsh conditions such as fog. The 4D imaging radar with both vertical and horizontal data resembling an ...

This letter proposes an online 4D radar-camera online calibration method (4DRC-OC) that utilizes unified depth map representations for auxiliary training, ensuring feature alignment and modal ...

While traditional polarimetry effectively analyzes polarization states with bulky systems, recent advances have enabled metasurfaces to serve as compact alternatives. Metalens arrays have enabled full ...

This study introduces a pseudo-4D printing strategy to construct microbubble arrays to tackle light trapping in QDs films. By direct writing of QD-doped polymers, microbubbles can be gradually ...