Abstract: Uncrewed aerial vehicles (UAVs) are increasingly deployed in forest environments for tasks such as environmental monitoring and search and rescue, which require safe navigation through dense ...

Abstract: With the rapid development of high-speed and heavy-duty railways, ensuring track health is crucial for the safety and efficiency of trains. Traditional methods for measuring rail wear, such ...

Every crystal's shape is a mirror of the internal arrangement of its molecules, but the molecules in photoswitchable crystals can expand, twist and change properties—from their color to their ...