Our expert, award-winning staff selects the products we cover and rigorously researches and tests our top picks. If you buy through our links, we may get a commission. James has been writing about ...

Engraving is more than just a hobby—it's an art form that merges creativity with precision. There's a unique satisfaction in transforming simple materials like wood, glass, or metal into personalized ...

In the autumn of 2003 the US Department of Defense launched an ambitious program to create diode lasers that are 80% efficient at converting electricity into light. Dubbed SHEDS (standing for ...