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 ...

Abstract: As a world-class problem that has confused the field of geoscience for a long time, the formation mechanism of the peculiar feather-shaped dunes in Kumtag Desert has not been clarified due ...

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 ...

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: ...

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 ...