Measure the height, width and / or depth of the trip hazard and take pictures of the object. (himpro.ca)
Help him become familiar with sounds by collecting pictures of objects he can point to and name. (readingbrightstart.org)
Using a patterned light filter and a single - pixel detector, researchers can make crisp pictures of objects, even though the detector only captures unresolved, gray squares. (sciencemag.org)