Reference Terms
from Wikipedia, the free encyclopedia
Polyethylene
Polyethylene, (IUPAC name polyethene), is a thermoplastic commodity heavily used in consumer products (over 60 million tons are produced worldwide every year).
Note: The above text is excerpted from the Wikipedia article "Polyethylene", which has been released under the GNU Free Documentation License.
Related Stories
1
2
Matter & Energy News
May 13, 2025
May 8, 2025 — In space, energetic neutrinos are usually paired with energetic gamma rays. Galaxy NGC 1068, however, emits strong neutrinos and weak gamma rays, which presents a puzzle for scientists to solve. A new paper posits that helium nuclei collide with ...
May 8, 2025 — A new study of the 28 most populous U.S. cities finds that all are sinking to one degree or another. The cities include not just those on the coasts, where relative sea level is a concern, but many in the interior. Furthermore, using newly granular ...
May 7, 2025 — Physicists captured the first images of individual atoms freely interacting in space. The pictures reveal correlations among the 'free-range' particles that until now were predicted but never directly ...
Apr. 28, 2025 — A technique to cool the planet, in which particles are added to the atmosphere to reflect sunlight, would not require developing special aircraft but could be achieved using existing large planes, according to a new modelling ...
Latest Headlines
updated 12:56 pm ET
May 9, 2025 — A significant advancement in molecular engineering has produced a large, hollow spherical shell nanostructure through the self-assembly of peptides ...
May 13, 2025 — Biologists and chemists have a new programming language to uncover previously unknown environmental pollutants at breakneck speed -- without requiring them to ...
May 13, 2025 — Engineers built E-BAR, a mobile robot designed to physically support the elderly and prevent them from falling as they move around their homes. E-BAR acts as a set of robotic handlebars that follows ...
May 13, 2025 — Researchers have developed a new workflow for designing enzymes from scratch, paving the way toward more efficient, powerful and environmentally benign chemistry. The new method allows designers to ...
May 13, 2025 — Imagine a T-shirt that could monitor your heart rate or blood pressure. Or a pair of socks that could provide feedback on your running stride. It may ...
May 13, 2025 — Fungi are considered a promising source of biodegradable materials. Researchers have developed a new material based on a fungal mycelium and its own extracellular matrix. This gives the biomaterial ...
May 13, 2025 — Quantum physics keeps challenging our intuition. Researchers have shown that joint measurements can be carried out on distant particles, without the need to bring them together. This breakthrough ...
May 13, 2025 — A robotic hand can pick up 24 different objects with human-like movements that emerge spontaneously, thanks to compliant materials and structures rather than ...
May 12, 2025 — Engineers have taught a simple submarine robot to take advantage of turbulent forces to propel itself through ...
May 12, 2025 — A team engineers created a twisty high-temperature heat exchanger that outperformed a traditional straight channel design in heat transfer, power ...