Optical litho: there are no fundamental limits
Doomsayers predict that the end of optical lithography is just around the corner, thanks to fundamental technical limitations. Steven Brueck explains why they are wrong.
Lasers carry space data back to Earth
Space agencies worldwide are equipping satellites with laser transmitters in the hope of improving their communication links back to Earth. Oliver Graydon reports on their progress.
Tiny displays look poised for a bright future
Microdisplays are becoming increasingly important in a range of applications. Daniel Krueeke reviews the devices available.
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