Face Shields Ineffective at Trapping Aerosols, Says Japanese Supercomputer

Plastic face shields are almost totally ineffective at trapping respiratory aerosols, according to modelling in Japan, casting doubt on their effectiveness in preventing the spread of coronavirus. From a report: A simulation using Fugaku, the world’s fastest supercomputer, found that almost 100% of airborne droplets of less than 5 micrometres in size escaped through plastic visors of the kind often used…

As Raspberry Pi Sales Skyrocket, Eben Upton Applauds Efforts of Open Hardware Community

“Sales of Raspberry Pi’s single-board computers hit 640,000 in March, the second-biggest month for sales since they started selling,” reports TechRepublic, “as consumers flocked to inexpensive ways to work and learn from home.”
But that’s not all, Eben Upton tells them:
With the pandemic having highlighted shortages in personal protective equipment (PPE), 3D-printing manufacturers and hobbyists have been building face shields printed on…

Open-Source Electronics Maker Adafruit Switches To Producing Face Shields, Other PPE

Slashdot reader and managing director of Adafruit, Phillip Torrone, a.k.a. ptorrone, writes: Tom’s Hardware talked to Adafruit about what it’s like to switch from selling tech to selling protective gear, and when hobbyists can expect things to return to normal. In March of 2020, Adafruit was deemed an essential service and business for critical manufacturing in NYC by executive order 202.6,…