Promising review: "I love WD-40 products and use them for everything. I spray on shovels to keep dirt or snow from sticking, spray around windows and thresholds to deter bugs, clean Sharpies off wood ...

You’ve probably seen Lichtenberg figures before, those lightning-like traces left by high-voltage discharge. The safe way to create them is using an electron beam to embed charge inside an ...

For most of us who are not astronomers, the image that comes to mind when describing a reflecting telescope is of a huge instrument in its own domed-roof building on a mountain top. But a ...

Do you have squeaky hinges, crusty feet, or a hatred for eyesores in your home? These are for you. View Entire Post › ...