Despite the advancements in emerging energy sources, fossil fuels continue to serve as the primary global energy source 1,2,3,4. The excessive reliance on fossil fuels in ongoing and expanding ...

LEE Filters has introduced a new range of circular filters called 'LEE Elements' that are designed to be used by those who capture stills as well as video. Available in four standard sizes of 67mm, ...

Designed for photographers and videographers alike, the LEE Elements VND filters offer decent options that circumvent some of the problems often seen with variable ND. There's a certain sector of ...

Proper air filtration is critical to the overall performance and reliability of gas turbines. Fuel costs approach 80 percent of the life cycle cost of electricity. Small gains in efficiency can mean ...