Yes, you may slice glass with a utility knife so that you can snap it along the incision and break it evenly. Using a straight edge or a ruler as a guide, score a straight line into the surface of the glass. To cut deeply enough, you may need to make many passes. It is important not to let any metal contact the glass when cutting it because this could result in breaking the glass.
The utility knife should have a non-serrated blade to prevent tearing the glass. If you do happen to tear some glass, simply pull out the knife and start over. You might want to wear gloves when using this technique to avoid getting glass shards in your hands.
You can also use a sharp pair of scissors to cut glass. Make sure they are not stainless steel because these will react with acid and turn black. Regular old household scissors should be fine.
Finally, you can use a hammer and nail to break glass bottles. This is an effective method but requires very hard material to work with. Only use this method if all other methods fail.
A scribe will be your greatest option for cutting glass without a glass cutter. Although these tools lack a cutting wheel, the scribe's tip is exceedingly delicate and can readily score glass. A carbide scribe should be available at most big hardware or home improvement stores. These tools are made of carbon steel with a hardwood handle attached. The scribe should be sharpened like a knife on both sides to create a durable tool that will last through many cuts.
You can also use a hammer and nail set to break glass bottles. This method may not produce as clean an edge as using a scribe, but it can help reduce the cost of cutting glass.
Finally, you can use a shovel or similar tool as a rough cutter to get started then finish the job with finer tools. This is a quick way to cut glass for small projects but cannot be used to make large pieces.
These are just some of the many ways you can cut glass without a glass cutter. As you can see, there are plenty of options available if you need to cut glass but no machine for doing so.
Create a single, even line around the glass with a glass cutter or a glass drill bit. Overlapping score lines will result in a more jagged cut than a single line. Prepare the water. You'll need to be working at a sink with cold water flowing and a teakettle with hot water on the stove. Put your hand into the cold water and let it heat up for a few minutes. This will keep the blade from heating up too much when cutting people.
Now come back to the scene of the crime with your knife ready to go. Find a sturdy surface to work on. It should be hard but not so hard that you can't see what you're doing. Avoid using a soft surface like carpet or tile because they won't give you the control you need over the blade. Take a deep breath and start hacking away at the glass. Use the edge of the blade to remove as much material as you can. Don't try to saw through the glass; this technique only works on softer materials like wood. Once you have a large enough opening, turn off the water and begin cleaning up the mess. If any water drips onto the floor, wait until it has stopped before stepping in it.
After the shock has worn off, call an ambulance because someone might have been seriously injured while you were cutting glass. Even if there are no signs of injury, get medical help just in case.
Yes, diamonds (which have a hardness rating of 10 on the Mohs scale) can cut glass (which has a hardness rating of 6 - 7 on the Mohs scale). However, because glass is softer than diamond, your Exacto knife will likely only scratch glass. An equivalent tool to use on glass would be a steel razor blade.
If you're going to use the knife for cutting glass, you should purchase one that is designed specifically for cutting glass. These knives are available separately or as part of an Exacto knife set. They contain a special polyurethane blade which allows it to cut through glass without scratching it.
Also, keep in mind that if you get any nicks in the edge of your glass, those will continue to grow over time so you should really buy a knife that is designed for cutting glass.
It is, indeed. A knife has much more sharp edges than broken glass. And glass is more precise. Only some of the edges of glass are sharp. The rest are smooth.
Glass is used in very delicate instruments such as lenses in cameras and telescopes. The quality required for glass that goes into such instruments is extremely high. It must be free from any defects or flaws that might cause problems when used with equipment that is not designed to cope with them. For example, if you were to use glass with an image distortion on it, telescopes using that glass would not work properly.
There are two main types of defect in glass: breakages and stains. When you look at a piece of glass, it is the absence of these defects that makes it useful for making instruments.
A breakage is a hole in the glass caused by something falling onto it from above. If you looked up at the sky through a telescope made from perfectly clear glass, you would see everything clearly without any obstructions, including stars and galaxies beyond our own planet. However, if there were a break in the glass between you and the moon, for example, then all you could see with the instrument made from that glass would be its reflection of the moon itself.
A glass cutting board's surface may be attractive and simple to clean, but it may dull your blades over time. When the knife comes into touch with the hard glass, it blunts and requires more frequent sharpening (because it is safer to work with a sharp knife than a dull knife). If you want to protect your knives while still using a glass cutting board, use silicone-based cooking spray or oil to coat the board before use.
The coating will prevent food particles from sticking to the board and help keep your knives looking new. After each use, simply wash the board under hot water and dry it completely before storing it away out of the reach of children and pets.