Follow these basic guidelines for finding the right nozzles and settings for chemical applications with a pulse-width modulation spray system.

One of the problems with being a graffiti artist is that you have to carry around a different spray can for each color you intend to use. [Sandesh Manik] decided to solve this problem by building ...

Even though farmers have been dealing with rice stink bugs as pests since the 1880s, entomologists are still getting to know ...

An Algerian research team has developed a smart water-spray cooling system for PV panels that activates only when temperatures exceed a set threshold, boosting efficiency while minimizing water use in ...

A Los Angeles County probation officer has been placed on administrative leave pending an internal affairs investigation for carrying and using pepper spray during a ...

An Garda Síochána has been strongly criticised by United Nations (UN) human rights rapporteurs for purchasing double-strength “pepper sprays” and the way these products were used on protesters near ...

Learn how to make a powerful garden spray using simple everyday kitchen ingredients! This video shows an easy, natural method to help protect plants, improve garden health, and support stronger growth ...