How Well Do Masks Work? (Schlieren Imaging In Slow Motion!)

Name three of the main components used to create Schieren Imaging.

 Why do scientists use Schlieren Imaging? 

Which mask looks the most effective in stopping virus particles?

• Bandana

• Plain Cloth Mask

• N95

• Patterned Cloth Mask

Why should we wear masks?

• To protect ourselves

• To protect others

• To stop the spread of viruses.

• All of the above

Who is the coolest dude you know that wears a mask?