Abstract: This letter proposes a compact low-profile 5G multiple-input–multiple-output (MIMO) antenna system. The system comprises four antenna elements: two main antennas and two diversity antennas.

Abstract: Pump-jet propulsion technology is increasingly applied in uncrewed underwater vehicle propulsion. A key research focus is the biomimetic design of pump-jets to improve efficiency and reduce ...

The 2015 Koenigsegg Regera arrived as a hypercar that refused to play by the usual rules, trading a conventional multi‑gear ...

A team at Germany’s Fritz Haber Institute of the Max Planck Society has published a research that shows that the slowest step ...

Researchers from China University of Petroleum (East China), in collaboration with international partners, have reported a ...

Tomatoes are an important vegetable crop worldwide, but their picking operations have long relied on manual labor, facing ...

Normally, a plane moves along three rotational axes. “Inertia coupling” takes place when the plane inadvertently moves on two at the same time, usually resulting in loss of control.