The EBC (exhaled breath condensate) mask costs $1 (76p) to produce and works by using a special type of gel to help cool the breath, which condenses it and turns it into a liquid. Once the breath ...

Seeing his wife try to use a cool face mask to get through the pain of a migraine headache, [Sparks and Code] started thinking of ways to improve the situation. The desire to save her from these ...