When staying in a hotel, bring a nightlight or penlight if you get up at night.

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Most, he says, will have no more effect than a penlight.

FORBES: Technology

Working my way around this tumor with a ten-millimetre camera on the end of a foot-and-a-half-long wand was like trying to find my way around a mountain with a penlight.

NEWYORKER: Personal Best

Michael Moretti, editor of trade magazine Medical Laser Insight, expects to see 100 LED technologies out next year, most of which he says won't have any more effect than a penlight.

FORBES: Magazine Article