Cracked skin? Stuffed nose? Dry air can cause many issues in the summer. However, these excellent humidifiers can help you keep the air moisturized and easy to breathe. All tried and tested by our ...

These are the best humidifiers you can buy in every category, from Dyson AM10 and Levoit LV600HH to HoMedics TotalComfort Deluxe.

This paper presents the design, simulation, and characterization of microfabricated 0.5 MHz, silicon-based, ultrasonic nozzles. Each nozzle is made of a piezoelectric drive section and a silicon ...