Home > News > Speck Trios Make Secret Codes
August 19th, 2004
Abstract:
Researchers from the Canadian National Research Council have devised a way to use quantum dots -- tiny bits of semiconductor -- to print invisible secret codes onto surfaces like documents. The quantum dots the researchers used in their prototype measured between 3 and 6 nanometers in diameter.
Source:
TRN
Related News Press |
Discoveries
Deciphering local microstrain-induced optimization of asymmetric Fe single atomic sites for efficient oxygen reduction August 8th, 2025
ICFO researchers overcome long-standing bottleneck in single photon detection with twisted 2D materials August 8th, 2025
New molecular technology targets tumors and simultaneously silences two ‘undruggable’ cancer genes August 8th, 2025
Simple algorithm paired with standard imaging tool could predict failure in lithium metal batteries August 8th, 2025
![]() |
||
![]() |
||
The latest news from around the world, FREE | ||
![]() |
![]() |
||
Premium Products | ||
![]() |
||
Only the news you want to read!
Learn More |
||
![]() |
||
Full-service, expert consulting
Learn More |
||
![]() |