When you're engaged in just about any kind of home improvement, small-scale tinkering, or pre-moving renovation, precision is of the utmost importance. You can't build a proper shelf, for example, if ...

Laser cutters are primarily classified by their laser source, which determines: For most users, everything comes down to ...

Using a precisely aligned pair of laser beams, scientists can now hold a single aerosol particle in place and monitor how it charges up. The particle’s glow signals each step in its changing ...