05 Mar 2025 3 min read Alfred Poor is the former editor of Health Tech Insider and a contributor to IEEE Spectrum. Wellumio’s portable MRI scanner can image a patient’s head for signs of stroke. IEEE Spectrum According to the … Read more
What makes a Raspberry Pi project tactical? Maker and developer Media-Grizzly has their own ideas with this cool, portable Pi-powered software-defined radio (SDR) system they built from scratch dubbed the D.E.S.E.R.T Pi-Powered Tactical System. Not only does it work as … Read more
Portable Web Documents are a technology similar to PDFs (Portable Document Format) implemented in Polar which support offline caching of full HTML documents, and with (in the future) improved support for video, charts, and other compelling features. Polar uses PWDs … Read more
From the Tower of Babel story: “If now, while they are one people, all speaking the same language, they have started to do this, nothing will later stop them from doing whatever they propose to do.” Genesis XI, v.6, _New … Read more
Select Your Cookie Preferences We use cookies and similar tools that are necessary to enable you to make purchases, to enhance your shopping experiences and to provide our services, as detailed in our Cookie Notice. We also use these cookies … Read more
Examples ‘Hello’ ‘ ‘+ (‘world’ | ‘pomsky’) ^ ‘ ‘+ | ‘ ‘+ $ | % ‘ ‘+ % ‘hello'{1,5} ‘world’* lazy [‘acd[]’ ‘p’-‘s’] ![‘^’] [s U+15 U+FEFF Greek] :([space]) :named(Codepoint) ::named (> ‘foo’ | ‘bar’) range ‘0’-‘255’ let x … Read more
We recognize our top users by making them a Tindarian. Tindarians have access to secret & unreleased features. How does one become a Tindarian? We look for the most active & best members of the Tindie community, and invite them … Read more
Five years ago, a startup called Semtive Energy took the concept of a wind turbine, shrank it down to the size of a garden shrub, and started marketing it directly to households; much like rooftop solar panels, the mini turbine … Read more
The length of antenna you need to receive a radio signal is proportional to the signal’s wavelength, typically 1/2 or 1/4 of the wavelength. Cell phones operate at gigahertz frequencies, and so the antennas are small enough to hide inside … Read more
