Abstract: In indoor positioning systems, Wi-Fi fingerprint positioning often attracts the attention of researchers due to its advantages such as popularity and low cost. However, Wi-Fi fingerprint ...

Researchers developed a holographic data storage approach that stores and retrieves information in three dimensions by combining the amplitude, phase, and polarization properties of light. Credit: ...

The global economy has become dependent on the AI industry. Trillions of dollars are being invested into the technology and the infrastructure it relies on; in the final months of 2025, functionally ...

Abstract: Human activity prediction is crucial for enabling intelligent smart home services, yet it is often hindered by the scarcity of high-quality, multi-dimensional datasets. Existing datasets are ...

A routine quantum optics technique just revealed an extraordinary secret: entangled light can carry incredibly complex topological structures. Researchers found these hidden patterns reach up to 48 ...