Search results for “diffusion”

How do air filters work?

How do filters remove particles from the air and reduce exposure - especially the small ones? As this Risk Bites primer shows as it dives into the science of aerosol particle capture, it may not be how you think! Air filters are an important tool for protecting health, improving air quality, and

Experiments with Alexander Gerst: TRANSPARENT

Exploring melting under microgravity conditions – improving industrial casting processes One of the focal points of research onboard the International Space Station (ISS) is the investigation of crystal growth in metal alloys. Under microgravity conditions, differences in density in the molten mate

Is this America's most bizarre Thanksgiving Dish?

Okay so this has nothing to do with risk. Or science (sort of). But I couldn't resist making it! I love Thanksgiving. This has to be one of the best holidays, period. Negligible commercialization, great food, and a chance to relax, catch up with family and friends, and contemplate everything you