A flashlight is normally a very simple device. You have a bulb, and battery and a switch. Flip the switch and the bulb turns on to produce light.
What if you want a LOT of light from your flashlight? Here is a 50 watt, 500 LED flashlight that shows you the possibilities:
What if you want your flashlight to do more than simply turn on and off? This flashlight shows you some of the things a flashlight can do:
Do you have the stuff of genius? What else could be done to improve the simple flashlight?