Computer Science Department
Columbia University
Changxi Zheng
Associate Professor  
About Me
Publications
Research
Teaching
Press
Throughout the course of my research, many of our work has attracted a great deal of public interest. Here are some selected media coverages, reflecting my research from a different perspective.
FontCode
YOU CAN SEND INVISIBLE MESSAGES WITH SUBTLE FONT TWEAKS
Hiding Information in Plain Text
Clever Technique Can Hide Secret Messages in the Most Unassuming Text
This algorithm can hide secret messages in regular-looking text
Researchers Invent Method to Hide Info in Plain Text
FontCode hides letters within letters
Researchers hide information in plain text
Researchers Hide Information in Plain Text
Helvetica Is Now An Encryption Device
AirCode
Boffins back bubbles for better bonding with beautiful belongings
Invisible, machine-readable AirCode tags make tagging objects part of 3D-fabrication process
3D printing with air pockets for physical tagging: Aircode
Acoustic Voxels
Researchers use acoustic voxels to embed sound with data
Using Acoustic Voxels to Embed Sound with Data
Noisy Information - Embedding Data in Sound
Researchers create audio counterpart of QR codes, RFID tags
Hippopotamus that sounds like a trumpet key to acoustic tagging
Looking Toward Cloaking & Acoustic Tagging: Researchers Implant 3D Printed Objects with Sound Data
Computational Metallophone Design
Animal Sounds
This Animal-Shaped Glockenspiel Is Really a Rad Experiment
3D PRINTED 'ZOOLOPHONE' DEMONSTRATES CONNECTION BETWEEN SHAPE AND SOUND
You Need Geniuses at MIT, Harvard, and Columbia To Make an Animal-Shaped Xylophone
A Computer Scientist Is Building the Musical Instruments of the Future
Change the Shape, Change the Sound
Making New Music with 3D Printed Metallophone Instruments
"Zoolophone" features custom-shaped keys that still produce the right notes
Would you like to play this 3D-printed 'zoolophone'?
Algorithm to 3-D print vibrational sounds
Zoolophone musical instrument made of animal shapes
Computational Hydrographic Printing
Coloring Complex 3D Printed Objects
New Computational Technique Advances Color 3D Printing Process
Precision Hydrographic Printing: A Fascinating New Way to Precisely Add Color to 3D Prints
Crazy Way To Paint Patterns On 3-D Objects Is Like A Cartoon Come To Life
WATCH THIS FUTURISTIC VAT OF WATER PAINT A CAT
A Crazy Way to Add Intricate Color to 3-D Printed Creations
Hydrographic Printing: Affordable Full-Color Prints for Everyone
New computational technique advances color 3D printing process
Computational Design of Twisty Joints and Puzzles
How to Turn Any Object Into a Rubik's Cube
3-D Print and Rubik's Cube-ify Almost Anything
Transform Any Object Into a Rubik’s Cube With Twisty Joints
This New Software Turns Any Object Into a Rubik's Cube Puzzle
New Software Turns Any 3D Printable Model into a Rubik’s Cube Style Twisty Puzzle
Columbia Researchers Develop Software That Converts Any 3D Model into a Rubik’s Cube Puzzle
Physics-Based Sound Synthesis
'Acceleration noise' adds realism to animated collisions
The Future Of Computer-Generated Sound Effects
The Art of Water Music
Future of virtual reality: Make a crash sound lifelike
Researchers create sounds of animated things breaking
Perfecting synthetic sounds for animated worlds
Computer-generated sound effects make a splash
Computer Graphics Researchers Simulate The Sounds Of Water And Other Liquids
Others
Meet The Forbes Under 30 Inventors Who Are Breaking The Boundaries
Are We Hearing This For Real?
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