During femtosecond laser fabrication, photons are mainly absorbed by electrons, and the subsequent energy transfer from electrons to ions is of picosecond order. Hence, lattice motion is negligible ...

Abstract: To mitigate the Doppler fading that arises in high-mobility communication systems and improve channel capacity, it is essential to develop innovative methods for flexibly manipulating the ...

Police are searching for a hit-and-run driver involved in a violent crash that left a man and a woman dead and three other people injured in Long Beach Sunday night. The three-vehicle collision was ...

Those of us of a certain age know from dealing with three-button suits and button fly jeans that sometimes things come with more buttons than you really need. Though some car brands are now rethinking ...

Alpina is dead, long live BMW Alpina! BMW originally bought Alpina in 2022, but a condition of the sale was for the tuner to continue operating independently until the end of 2025. Now that all the ...

James is Autocar’s associate editor, and has more than 20 years of experience of working in automotive and motorsport journalism. He has been in his current role since September 2024, and helps lead ...

Abstract: The article puts forward a design of intelligent traffic control system based on traffic flow, and proposes the intersection video image processing and traffic flow detection algorithm.

This video captures a BMW M4 drift car in a striking motorsport livery as it slides through a tight section of road. The focus is on precise control, aggressive steering input, and the visual ...