A research team has devised a novel method to prepare carbonized polymer nanodots capable of emitting multi-color ultra-long room-temperature phosphorescence (RTP) from blue to green.
Nanophysics
Apr 16, 2024
0
9
Novel fluorescent dyes developed by ETH researchers are relatively simple and inexpensive to produce. The dyes are polymers with a modular structure. They consist of a different number of subunits depending on their color. ...
Polymers
Jan 3, 2023
0
201
In a recent publication in the journal Advanced Materials, a team of physicists and chemists from TU Dresden presents an organic thin-film sensor that describes a completely new way of identifying the wavelength of light ...
Optics & Photonics
Sep 5, 2022
0
565
For decades, researchers have been searching for a better battery. Now an international team presents a bold new solution: ditch the battery altogether.
Materials Science
May 27, 2020
0
3
Researchers have developed advanced optical security features that use a two-piece metamaterial system to create a difficult-to-replicate optical phenomenon. Metamaterials are engineered to have a property that is not found ...
Optics & Photonics
Sep 12, 2019
0
160
Red-faced bank bosses in Australia admitted to an embarrassing error Thursday, revealing their state-of-the-art $50 note had a typo.
Business
May 9, 2019
0
8
Security features are to protect bank notes, documents, and branded products against counterfeiting. Losses caused by product forgery and counterfeiting may be enormous. According to the German Engineering Association, the ...
Engineering
Nov 15, 2017
0
15
Apple chief Tim Cook went public Wednesday in his battle with the FBI, saying that unlocking an iPhone in the name of fighting terrorism would be "bad for America."
Security
Feb 25, 2016
0
5
The Department of Defense is embarking on a program to update millions of its computers to Windows 10, an unusually quick move for one of Microsoft's massive government customers.
Software
Feb 22, 2016
1
37
Apple said Monday it supports the idea of a panel of experts to consider access to encrypted devices if US authorities drop legal efforts to force it to help break into the iPhone of one of the San Bernardino attackers.
Security
Feb 22, 2016
1
9
