"Some of these inventors have been designers of the human genome sequencer, incredible technologies around focusing sound in the same way have been able to focus light with lasers, health technologies like the stair-climbing wheelchair and a portable dialysis machine,".
VOA: standard.2009.12.18
If the climate or hour of the day at the new destination don't allow for lots of light, a small, portablelight box, some of which double as an alarm clock, can be purchased.
Users can simply mount the entire flashlight and charger as a unit by doorways and entryways to hazardous locations, thus providing a highly convenient and fully charged portablelight source whenever it is needed.