Security officials are tasked with preventing criminals from smuggling dangerous materials into a country, and detecting nuclear substances has been difficult and costly. Now Northwestern University researchers have developed ...
Optics & Photonics
Dec 7, 2020
2
68
NDSU researchers recently developed a new method of creating quantum dots made of silicon. Quantum dots, or nanocrystals, are tiny nanometer-scale pieces of semiconductor that emit light when their electrons are exposed to ...
Nanomaterials
Jun 11, 2020
0
56
Northwestern University scientists have developed new materials that can detect hard radiation, a very difficult thing to do. The method could lead to a handheld device for detecting nuclear weapons and materials, such as ...
Condensed Matter
Sep 12, 2011
1
0
Byproducts from the electronics, fuel, chemical and defense industries can be far from benign. Toxic heavy metals like cadmium and lead can seep into our food chain and cause cancer. And if found in the soil, these dangerous ...
Other
Apr 13, 2009
0
0
The launch of the world's first 3D-printed rocket was ultimately scrubbed after several tries on Saturday, marking a new setback for the private owner of an innovative spacecraft billed as being less costly to produce and ...
Space Exploration
Mar 12, 2023
0
68
Less than two weeks after train cars filled with hazardous chemicals derailed in Ohio and caught fire, a truck carrying nitric acid crashed on a major highway outside Tucson, Arizona, killing the driver and releasing toxic ...
Environment
Feb 21, 2023
5
13
On the 35th anniversary of one of the world's worst nuclear disasters, new research has been published that could help to contain and clean up the most dangerous radioactive materials that still remain at the site in Chernobyl.
Analytical Chemistry
Apr 26, 2021
0
21
Indonesia has sent hundreds of garbage-filled shipping containers back to their countries of origin, according to the customs agency, as the Southeast Asian nation pushes back against becoming a dumping ground for foreign ...
Environment
Sep 4, 2019
1
79
Governments have agreed to phase out the use of the toxic chemical HBCD, and restrict trade in four other dangerous substances, the head of the UN's anti-pollution division said Friday.
Environment
May 10, 2013
0
0
Mobile phone manufacturers, responding to consumer and regulatory pressure, are using fewer toxic substances in their products, researchers in the United States said Wednesday.
Consumer & Gadgets
Oct 3, 2012
3
0
