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  • Pagophone (like Xylophone But Ice Instead of Wood)

    That's a cool project!All joking aside, it's an interesting idea. I definitely had one of those "I never thought about that" moments.Here was my train of thoughts when I saw this:1) Huh, that's cool. *laugh at my stupid pun*2) "There are bubbles. Does that affect the tone? I'd make them totally clear, like an ice sculpture!"3) "I wonder how easy it is to tune those blocks and how the tone changes as they chip, melt, and/or sublimate."3) "Add an automated xylophone player robot and this would make an awesome decoration and provide background music at the same time."

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  • Kaviga commented on Creativity Buzz's instructable Make JCB Bulldozer 1 year ago
    Make JCB Bulldozer

    Clever!You could have one motor drive the left track and the other run the right track and add another switch so that they can be run independently. Then you'd be able to steer it using a combination of the two switches. It would be easier to steer with some other type of switches, though. Maybe even use switches that would allow it to go in reverse, too.

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  • Kaviga followed PWKalahar1 year ago
      • Battery Adjustable Power Supply - Ryobi 18V
      • Minimalist Wallet With Money Clip
  • Kaviga commented on AdanAscencio's instructable Laser CNC Machine1 year ago
    Laser CNC Machine

    Wow, looks like none of you wore eye protection. That's a great way to damage your eyesight.

    Reflected light can still have more than enough power to damage your eyes, and it will happen quicker than your body's blink reflex.Put the whole assembly behind optical shielding AND get proper eye protection for everyone that will be in the room while it is running.

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  • Kaviga commented on lewatoto's instructable How to Reproduce Basil Without Seed1 year ago
    How to Reproduce Basil Without Seed

    Great pictures! Plants are so interesting. Plants grown from cuttings are literally the same plant as the original, so any unique or preferable traits will be present in the cutting. For basil, it's better to prune any budding flowers before they have a chance to bloom. Allowing your basil to flower will cause the taste to become bitter, effectively ruining your plant for culinary uses. Also, its growth will slow as the plant's energy is diverted to seed production.Some other tips for propagating plants via cutting:1) Use a sharp knife or pruners, the sharper the better. A cutting will try to heal damage from a ragged cut, which takes energy away from rooting and slows the process (and also increases the chance of rot). 2) Cuttings should be between 4-6" long. Long cuttings have ...

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    Great pictures! Plants are so interesting. Plants grown from cuttings are literally the same plant as the original, so any unique or preferable traits will be present in the cutting. For basil, it's better to prune any budding flowers before they have a chance to bloom. Allowing your basil to flower will cause the taste to become bitter, effectively ruining your plant for culinary uses. Also, its growth will slow as the plant's energy is diverted to seed production.Some other tips for propagating plants via cutting:1) Use a sharp knife or pruners, the sharper the better. A cutting will try to heal damage from a ragged cut, which takes energy away from rooting and slows the process (and also increases the chance of rot). 2) Cuttings should be between 4-6" long. Long cuttings have more difficulty rooting and the resulting plant may be tall and sparse.3) Cut just below a node (where a leaf attaches to the stem). Roots grow easier from nodes, and too long of a section of stem below a node is more likely to rot than root.4) Remove the bottom leaves, especially any that would be buried or touch the soil. For a 4-6" cutting, it's ok to prune all but the top 2-4 leaves so that there is several inches of bare stem.5) Remove any flowers. Like I said earlier, they inhibit growth by diverting energy to seed production.6) Don't use soil from the ground. This whole process is about maximizing the cutting's chance of survival by providing a good environment and minimizing the effect of harmful bacteria, fungi, and pests. You can transplant your plant into your garden after the roots have developed, but for now either pick up a bag of 'soilless rooting medium' or make your own (recipes are abundant online).7) After filling your pot (pick one with draining holes or punch them in yourself) with the rooting medium and before planting the cutting, pre-moisten the medium and allow excess water to drain. It should be moist, but too much water will increase the chances of rot.8) After planting the cutting, use a clear plastic bag to make a mini greenhouse that will provide a nice humid environment and slow moisture loss. Find a clear plastic bag that is bigger than the pot & cutting (oven bags and large zip lock bags work). It must be several inches wider in diameter than the pot and several inches taller than the top leaves. Center the pot/cutting in the bottom of the plastic bag then gather the bag opening above the cutting and exhale into the bag to inflate it (it's like using a small paper bag for hyperventilation). If you're using a zip lock bag, zip it closed, otherwise use a twist tie (or tie off the top of the bag itself) to seal the top of the inflated bag tight enough to keep the bag inflated. It's very important that the leaves don't touch the walls of the bag or they may mold. Check the soil moisture daily and remember to inflate the bag with your CO2-rich exhalation before each resealing.9) Use a rooting hormone. It makes a big difference with some plants, it's not too expensive, and a little goes a long way. The rooting hormone should be applied to the bottom 0.5-1" of the stem and the cleanly cut surface before placing the cutting into the soil. Some rooting hormone comes as a powder which doesn't stick well to the stem, but quickly dipping to stem in water then into the powder will help it adhere. Be careful not to dislodge or knock off the rooting hormone before, or during, planting; it's a good idea to use something larger than the stem (like a pencil) to make an inch deep hole in the soil, then pace the cutting into the hole without affecting the rooting hormone, and finishing with lightly pressing down on the soil around the hole to gently collapse the soil around the stem.

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  • Kaviga commented on davidbowenart's instructable Fly Carving Device1 year ago
    Fly Carving Device

    I...I don't even know what to say. This is interesting information, and that's, uh, an unusual idea to track fly movement and convert to g-code.What did you do, draw a series of random words out of a hat? Whatever your idea generation process is, I must admire your follow through!

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  • Electro Etching Machine Made From Trash! (EASY)

    You're right, I did mess that up. I should have said cathode when referring to the negative wire up there.That being said, this isn't always the case. The anode is defined by where the oxidation is occurring in the reaction. This is an electrolytic cell, so oxidation is happening at the positively charge part (hence positive=anode). However, in a galvanic cell the oxidation occurs at the negitive side, so the anode is negatively charged.

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