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Joined 2 years ago
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Cake day: June 11th, 2023

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  • Surely the simplest approach is not to use a wifi ssid that you don’t trust. Yes, mobile broadband is slower and more expensive, but is also more under your control, it is however harder for your boss to monitor.

    If I was an it manager I’d probably want to keep an eye on WiFi traffic, even on the open ssid, just to see what’s going on. I don’t trust free WiFi.

    If you can’t use 4/5g, and can’t find a suitable firewall or VPN, can you set up a different user on your phone? - and be disciplined in is use.


  • Another vote for scratch. Most kids that age want quick results and not to spend ages debugging something. Funnily enough I’ve seen the same scratch interface used to program industrial robots.

    How much time one on one are you committing to spend with the child? This will make the difference.

    Alternatively, think about some sort of robotics kit. Doing stuff in software is great but if it changes something in the real world, even better. Have you thought about something arduino?

    Just for balance though, make a raft, a treehouse, a tent, make a fire without matches. It’s all problem solving but I bet any kid will remember getting muddy more than writing a neat while loop.










  • When I was a child we lived in a house in the countryside, so nights were very dark and very quiet. I’d wander around the house in the dark quite often and noticed that as well as peripheral vision, the acoustic of the room gave me information, I could sort of hear the sound of my footsteps change if I was walking towards a closed door rather than an open one. Similarly the air moved differently going from one room to another. None of these senses had enough information to navigate alone, but all added to the model of where I was and what was around me. Of course this was in a place I knew well. When walking outside, I could ‘hear’ the echo of the hedges and walls beside me which kept me in the middle of the path. At the time this didn’t seem unusual. It goes to show that we use all our senses all the time, one helps the other to fill in the gaps.

    I’m much older now, the eyesight and hearing are both failing, but it was fun while it lasted.


  • Allows you to remove power from the plugged in device without unplugging it. This provides convenience to easily and quickly turn things on and off and prevents arcing when unplugging. 240V 13A can arc a bit, particularly if unplugged under load, or on older sockets where the contacts have worn. While a little arcing doesn’t do much damage immediately, over time it will cause pitting and make a high resistance joint that will generate heat.

    The switch only disconnects the live terminal, but the neutral terminal should be similar potential to earth (depending on how the building is wired).

    Truly the king of plugs and sockets. The plugs are individually fused according to the device needs, ergonomic to use and exciting to stand on.




  • In principle I agree with this. The moon has been up there, relatively unchanged for the history of our species. It’s a meaningful connection to our deep past. It may even have helped life evolve on the planet. Romantically, it’s the only thing that we all can look up at and see so it’s a common shared experience for everyone. I think this is an important piece of our heritage and does need to be looked after. Also, I don’t really understand how morally one person has a right to do things on the moon but I don’t. - who gives them the ownership?

    I’m not anti-science, or anti-progress, but some things are more important than, money or individual egos.

    You can do anything to Mars, or the asteroids, they’re not culturally important, but the moon is, at least the side facing us.




  • Remember that you are also interviewing them. They won’t expect you to know all the answers, but will want someone that they can work with. If you can, answer questions with the STAR method (situation, task, approach, result), but don’t waffle. You can use one piece of experience in a variety of ways: teamwork, research, urgent deadline etc.

    It’s ok to say that you are nervous, they should try to put you at ease.

    You may be asked ‘trick questions’, these are not usually to to you up but to see how you work an unknown problem. There is no right answer. Not knowing stuff is ok. Not being able to think up a plan is less so.

    Remember whatever the outcome, this is really useful experience. See if you can get a site tour, ask about the tech used… You can then add this to your knowledge for later. In my experience, industry is frequently several years ahead of academia so you get a good chance to understand the real world.




  • The PI is always a good place to start, but they’re not cheap anymore. You can still do some useful things at the command line (not sure how fun, but a great education), python is there and very accessible. - get a camera and you could do some great things with open CV. Not sure what packages are out there though. Think you’d just have to follow some web tutorials.

    As an alternative, have you considered an Arduino kit? Lots of great projects, all very well documented. Playing with LEDs, sensors, motors etc may keep their attention longer than a bash prompt.