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“I made an interactive coffee table that turns led lights on under an object, when the object is placed over the table. Only the leds that are under that object will light up. It does this by effectively using proximity …
“Pulse oximeters are standard instruments for hospital settings. Using the relative absorbances of oxygenated and deoxygenated hemoglobin, these devices determine the percentage of a patient’s blood that is oxygenated (a healthy range being 94-98%). This figure can be lifesaving …
“Harold “Doc” Edgerton, an American electrical engineer and photographer was noted for creating high-speed photography techniques. He developed and improved strobes and used them to freeze objects in motion so that they could be captured on film by a camera …