We tested nine units in a humid Florida home to find the best portable air conditioners of 2025. Here are the models we recommend considering for any size space.

Electric vehicles are silent, so you're not going to get the same spine-tingling exhaust noise as you do from a hefty V-12 and a dual-exhaust system.

Dual CNN-Based Channel Estimation for MIMO-OFDM Systems Abstract: Recently, convolutional neural network (CNN)-based channel estimation (CE) for massive multiple-input multiple-output communication ...

Reconfigurable intelligent surface (RIS) is a promising solution to adaptively manipulate wireless propagation with low-cost passive devices. However, the traditional passive RIS can offer sufficient ...