Hey, guys! Today we are making diy face masks. One option uses cotton pillowcase fabric as well as coffee filters. These are not a substitute for N-95 facemask, they only offer some protection. But ...
A study led by UCLA Fielding School of Public Health Professor Yifang Zhu has determined that even a simple cloth mask provides significant protections against COVID-19 transmission, reducing the ...
For Richard Gordon, origami is like a piece of music. While an individual fold may not be particularly impressive, many together can make the paper sing. A floppy sheet can transform into a flapping ...