Forbes contributors publish independent expert analyses and insights. The Universe is out there, waiting for you to discover it. When we divide up matter into the smallest possible chunks that it's ...

Diseases of the eye can be difficult to diagnose during a general physical examination. A doctor who specializes in treating eye problems, called an ophthalmologist, is better able to examine and ...

A spectrometer is an imaging system used to map plurality of monochromatic images of the entrance slit onto the detector plane. This slit determines the amount of light (photon flux) that enters the ...

Or was it? Weirdly, in experiments centuries later in which researchers took care to shine only one photon at a time toward the wall, the interference pattern remained, as if a single particle were ...

Figure 1: Expression of Slit and Robo in adult tissues. Figure 2: Effect of Slit on leukocyte chemotaxis induced by SDF-1α. Figure 3: Robo is involved in mediating Slit inhibition of chemotaxis. The ...

The NFL has stirred up a hornet’s nest regarding the question of field safety. It started last week, with Cowboys owner Jerry Jones trying to argue that artificial turf fields are every bit as safe as ...

The slit lamp exam is a standard diagnostic procedure, which is also known as biomicroscopy. A slit lamp combines a microscope with a very bright light. The slit lamp exam usually forms part of a ...