Here is a concise summary of the provided text, highlighting the 6 life hacks presented:
**Life Hacks Summary**
1. **Hang Christmas Ornaments without a Thread**: Use the wire from the ornament's base to hook it onto the tree branch.
2. **Fix a Broken Office Chair Piston**: Use a sewer pipe (same diameter as the chair tube) to create a makeshift stabilizer, securing it with ties.
3. **Drill into Metal without a Drill Bit**: Utilize self-tapping screws for metal to create holes of various diameters.
4. **Create a DIY Welding Mask**: Use a cardboard shape, smartphone, and a piece of glass/plastic to protect your face and smartphone camera from sparks.
5. **Start a Fire with a Gasless Lighter**: Modify the lighter by scraping its internal surface to create sparks, igniting shredded plastic or other flammable materials.
6. **Make an "Eternal" Flashlight (2 methods)**:
* **Method 1 (Soldering)**: Connect two batteries to an LED using a soldered paperclip wire.
* **Method 2 (No Soldering)**: Use folded foil in a matchbox with batteries and an LED for a simpler, less durable alternative.
* **Bonus Hack**: "Magically" create an extra slice of pizza by rearranging cut pieces, useful for sharing with an unexpected guest (e.g., a hungry cat).
Here are the key facts extracted from the text, without opinions, in short sentences with numbers:
**Life Hack 1: Hanging New Year's Toys without a Thread**
1. Some New Year's toys may not have a special thread for hanging.
2. A wire can be pulled out from the base of the toy and used to hang it on a branch.
**Life Hack 2: Fixing a Gas Piston in a Computer Chair**
3. Gas pistons in computer chairs can lose gas over time, causing the chair to drop.
4. A sewer pipe can be used to create a makeshift fix for the gas piston.
5. The pipe's diameter should match the chair tube's diameter.
**Life Hack 3: Drilling Holes with Self-Tapping Screws**
6. Self-tapping screws can be used to drill holes in metal plates.
7. These screws come in different sizes, allowing for various hole diameters.
**Life Hack 4: Checking Batteries for Air Leaks**
8. Batteries can be checked for air leaks by unscrewing a specific screw.
9. A plastic cup and magnet can be used to direct the water flow for easier inspection.
**Life Hack 5: Creating a Welding Mask with a Smartphone**
10. A welding mask can be improvised using a piece of cardboard and a smartphone.
11. The cardboard should have a hole cut out to fit the smartphone's camera.
12. A small glass or transparent plastic can be attached to protect the camera from sparks.
**Life Hack 6: Starting a Fire with a Gasless Lighter**
13. A gasless lighter can still be used to start a fire by removing a metal part and using it as a scraper.
14. The scraper can generate sparks to ignite material.
**Life Hack 7: Creating an "Eternal" Flashlight**
15. Two batteries, a paper clip, solder, and an LED can be used to create a long-lasting flashlight.
16. The flashlight, when made correctly, can burn for over a year without stopping.
17. A simpler, less durable version can be made using a matchbox, foil, and batteries.
**Life Hack 8: Cutting a Pizza to Create an Extra Slice**
18. Cutting a pizza in a specific way (into two parts, removing a triangular strip, and re-cutting) can create an extra slice.
19. This method allows for sharing with an additional person (or pet) without obvious reduction in slices.