I think we can all agree that walking is good for you. As a gear editor with a degree in kinesiology, I’ve seen how it activates and engages muscles, strengthens bones, improves mood and memory—but ...

Q: What are diffraction gratings? A diffraction grating is an optical component for spectroscopy that splits light into different wavelengths. A typical diffraction grating has thousands of grooves ...

PPE supplies and household adhesives manufacturer 3M announced Jan. 24 it plans to lay off approximately 2,500 employees later this year. 3M chairman and CEO Mike Roman explained the decision in a ...