Construction has stopped on the two bridges at McBrien and South Moore roads because of problems with some of the beams as part of the second phase of the Interstate 75-Interstate 24 split project.

Researchers are developing a real-life tractor beam, with the goal of pulling defunct satellites out of geostationary orbit to alleviate the space junk problem. When you purchase through links on our ...

Whether it's adjusting a telescope or focusing a laser beam to a small spot, wavefront sensing can help. Xavier Levecq explains the technique and the options available. Measuring the wavefront ...