• 4 Posts
  • 24 Comments
Joined 4 years ago
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Cake day: February 20th, 2021

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  • Some 4G phones don’t support 4G calling correctly or with all networks.

    Check whether your phone actually uses 4G (VoLTE) for calls – to sort-of test this, make a call while connected to mobile data and note whether the signal meter’s 4G indication drops to 3G(H+/HSPA) or something during the call.

    A more insidious version of this issue is that some phones do VoLTE just fine, but only use 3G for 000 calls.

    Some phones only support VoLTE with some networks. There’s a chance that an appropriate firmware upgrade could add support for some network/device combos.


  • The part of an espresso machine where the water passes through the coffee. Called a brew group in the automatic machines (and they can get mouldy and horrible). Should at least remove the shower screen or filter screen from the group and scrub out the old rancid coffee tar with a cloth/toothbrush.

    Pouring a shot of plain water should smell and taste like clean excellent hot water.







  • Yeah nah, that’s not the way. Sure people can get away with it, but it’s really not eliminating the hazards.

    There’s a bunch of non-obvious hazards which exist around cutting into containers which have held fuels, including but not limited to:

    • An empty propane container could have an gas+air mixture inside it in proportions which could explode.
    • Any liquid residue in an empty fuel container can be vapourised by the heat of the cutting, creating a fuel+air mix which can spontaneously explode from the pressure and heat, even without sparks (think: diesel engine principle but instead of a 0.25L cylinder it’s a 200L cylinder).
    • An empty gas canister can be contaminated with heavier oils/waxes that could build up over the years of refilling cycles, creating the same hazard as noted for empty liquid fuel containers.

    Methods to reduce the hazard include:

    • Thoroughly washing the inside of the container before cutting (access can be difficult though).
    • Filling with water and cutting while full of water. (Container musn’t be sealed, and the cutting method must be safe to use in a wet environment, and further hazards such as introducing oxygen into the container need to be considered).