Techniques / How to use a Layer Mask in Photoshop to blend images How to blend two images together in Photoshop.

Image the white mask you have added is like a sheet of glass covered with white paint that has been combined with the black & white picture. You can now use the erase tool to remove the paint and ...

Our first independent lab test of reusable face coverings has revealed that some cloth masks are highly effective at blocking particles, but that basic single-layer masks may not be up to the job. We ...

Researchers filmed how droplets travel out of someone's mouth when they talk, cough and sneeze and how it changes with different masks. In the video droplets were noticeable when the man talked ...

A Government scientist has recommended wearing three layer masks to prevent the spread of Covid-19. But Public Health England's Dr Susan Hopkins said there was no need to wear two masks, as US ...

THIS horrifying video shows why homemade cotton face masks need to be at least two layers thick to stop the spread of Covid, experts claim. Researchers found one layer of T-shirt material is a fairly ...