Purism price increase scheduled for end of June

If you have been thinking of buying the new Librem phone now may be the best time to do so! The price will be increasing $100 according to a recent posting on their blog. And what better way to celebrate independence day than a device independent of many of the major tech giants’ updates? You can even buy a Librem phone that is built in USA… at over double the cost, however.

Continue reading “Purism price increase scheduled for end of June”

Mathematicians submit proof of Erdős Coloring Conjecture

Fifty years ago, several mathematicians at a dinner party were discussing graphs (points and lines, not chart graphs), and the generalization if you make the edges connecting a point (vertex) with another, able to connect multiple points. While working out the minimal number of colors in general, they found it to be an interesting problem, to test out and prove the next day… Well, that solution, to Erdős, Faber, and Lovász’ problem was delayed for years and years!

Continue reading “Mathematicians submit proof of Erdős Coloring Conjecture”

Severe weather alerts with a simple Python script

If like many you have been starting gardens and planting rather than traveling and visiting in recent months, there is one important thing to consider lately – severe weather reports including frost on your crops. I noted there was a little red (!) alert icon on an Android weather widget, but there seems to be no such alert for desktop computer or Linux computer or phone. It is a fairly simple to make this alert though with a simple script:

Continue reading “Severe weather alerts with a simple Python script”

Introducing the new EMP-proof Ham Radio Repeater Listing

If you have been using Amateur radio for some time you may know about the app connected to hearham.live repeater listing, which lets you keep an offline record of radio repeaters and a topo-map, on your Linux computer, tablet, phone, or even Android phone. But what would you do during an EMP or solar event causing extended downtime and damage of all computer devices?

Continue reading “Introducing the new EMP-proof Ham Radio Repeater Listing”

Listening for a callsign on DMR with Hearham.live

These past few weeks have certainly been trying for some communities with power outages, winter weather and utility failures. Ham radio is a very good way to communicate in your local community, but what if lots of other people are on the local repeater? What if you want a notification if your child or buddy is calling you, but not every other kerchunk or distracting story on the local repeater? If you have a DMR digital radio and id and digital repeater nearby, the tools on Hearham.live may help – and help save your battery leaving a radio on all day 🙂

Continue reading “Listening for a callsign on DMR with Hearham.live”