How do you communicate when the government censors the internet? With a peer-to-peer mesh broadcasting network that doesn’t use the internet.
That’s exactly what Hong Kong pro-democracy protesters are doing now, thanks to San Fransisco startup Bridgefy’s Bluetooth-based messaging app. The protesters can communicate with each other — and the public — using no persistent managed network.
The app can connect people via standard Bluetooth across an entire city, thanks to a mesh network. Chatting is speediest with people who are close, of course, within a hundred meters (330 feet), but you can also chat with people who are farther away. Your messages will simply “hop” via other Bridgefy users’ phones until they find your intended target.
That’s incredibly futuristic
Pi Zero W is $10 and has built in Bluetooth connectivity.
You can find Solar USB Power Packs for ~$25.
So for less than $50 and a little time investment to load some programs you can have an autonomous bluetooth repeater.
I think they only run at Class 2 or 2.5mw so 10 meter range… but there are DIY solutions to amplify it to Class 1 for 100 meter range.
But even at 10 meters, given this sort of program uses a packet delivery system, if you are constantly on the move you’re effectively a postman for the system as it will transmit every time it comes in range of another compatible program.
Aloe is full of goodies ~ like enzymes, saponin, salicyclic acid, vitamins, and amino acids.
you can use them to clone your other plants too and its easy to do.
Interesting, I wonder how well it works.
It does work. We actually use both, aloe and iba (indole-3-butyric acid). Iba is actually a plant hormone (an auxin - it is one of 5 auxins that plants naturally create). It can be extracted from willow plants and is commonly found in commercial rooting formulations. Iba IS an irritant to your skin and stomach, so don’t drink it or use it as a moisturizer, just use it on your plants. If you’re dealing with a lot of plants, use gloves.
Indole-3 butyric acid - a plant hormone that plants naturally make!
Here’s the MSDS on IBA (PDF). If you ever want to know how dangerous a substance or chemical is, try to find the MSDS for it. After you look up a couple of different things you’ll realize that there’s warnings on everything except water.
You can also just use water to root cuttings. Depends on the plant, how old it is, what part of the plant, etc. Change out the water daily and you may just see little white roots growing.
this one’s for an art battle, the theme was ‘Anubis’. It was rather ambitious work for me (5 characters, perspective, composition, full colour, even some fx and zero flying heads can you imagine)
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