Science news articles about 'light pens'
Map of your brain may reveal early mental illness
... or fleeting." In the past, comparing MRI brain maps was done painstakingly by hand. A technician used a light pen and attempted to trace and manually measure ...15,000 beams of light: Pens that write with light offer low-cost, rapid nanofabrication capabilities
One Chicago skyline is dazzling enough. Now imagine 15,000 of them.