Collaborate Disseminate
Sodium nitrite is often added to cured meats, in order to prevent spoilage while also giving the meats their distinctive color and flavor. It can also cause health problems in large amounts, however, which is why a color-changing film has been created … Continue reading Meat-testing film changes color to warn of high nitrite levels
“Don’t worry, that’ll buff right out.” Alarming news this week as the James Webb Space Telescope team announced that a meteoroid had hit the space observatory’s massive primary mirror. While …read more Continue reading Hackaday Links: June 12, 2022
About a year ago, [Wyman’s Workshop] needed a fan. But not just a regular-old fan, no sir. A ducted fan. You know, those fancy fan designs where the stationary shroud …read more Continue reading Theory, Practice, and Ducted Fans
Every time one of us flashes an Arduino’s internal memory, a nagging thought in the backs of our minds reminds us that, although everything in life is impermanent, nonvolatile re-writable …read more Continue reading Stress-Testing An Arduino’s EEPROM
Back in 2019, a team of researchers at Northwestern University developed a cheap testing system for the detection of fluoride levels in water. The following year, project leader Prof. Julius Lucks introduced a new system that could detect 17 different … Continue reading Hand-held device shows concentration of water contamination in minutes
Throughout this two-year global COVID-19 nightmare, one thing that has been sorely lacking is access to testing. “Flu-like symptoms” covers a lot of ground, and knowing if a sore throat …read more Continue reading HDD Centrifuge Puts COVID-19 Testing Lab in a Backpack
US researchers have developed an innovative smartphone-based kit that can test saliva samples for the presence of SARS-CoV-2 and influenza viruses. Early studies have found the cheap system is as accurate as current lab-based testing and significantly … Continue reading Cheap, quick, smartphone-based COVID testing kit as accurate as PCR
As part of President Biden’s recent “Path out of the Pandemic” plan, increased testing was flagged as an important part of containing the spread of COVID-19. The plan indicates nearly US$2 billion will be spent procuring 280 million rapid COVID-19 test… Continue reading What are rapid antigen COVID tests and why aren’t we using them more?
When I’m building something, I like to have a decent-sized scrap pile on hand. Because when I’ve got to test something out — does this glue adhere to this fabric, …read more Continue reading Keep Scraps Around
Containers have become the de facto standard for deploying applications. Whether developers are deploying them in the public cloud or a data center, containerization can bring a lot of benefits like a consistent environment, repeatable builds, an… Continue reading Why Should You Run All Your Tests in Docker?