Computers do not noticeably improve school pupils' academic results and can even hamper performance, an OECD report said Tuesday that looked at the impact of technology in classrooms across the globe.
Social Sciences
Sep 15, 2015
10
3092
You probably saw a multi-colored climate map at least once in school. You might have pored over it, fascinated. Was Antarctica really a cold desert? And why was so much of Russia listed as tundra?
Earth Sciences
Oct 24, 2023
2
124
Evidence of human sacrifice to try to ensure the success of ancient construction projects has been found for the first time at a Korean site, officials said Tuesday.
Archaeology
May 16, 2017
0
173
Astronomers have conducted a photometric and spectroscopic study of an Algol-type binary, known as XZ Ursae Majoris (or XZ UMa for short). Results of the study, presented in a paper published December 21 on the pre-print ...
Samsung Electronics said Monday it had successfully tested super-fast fifth-generation (5G) wireless technology that would eventually allow users to download an entire movie in one second.
Telecom
May 13, 2013
7
0
The Electronics and Telecommunications Research Institute (ETRI) in South Korea developed a thermoelectric module that generates electricity using human body heat. The module, which is 5 cm in width and 11 cm in length, can ...
Engineering
Mar 1, 2019
0
37
Things can always be done faster, but can anything beat light? Computing with light instead of electricity is seen as a breakthrough to boost computer speeds. Transistors, the building blocks of data circuits, are required ...
Quantum Physics
Jul 20, 2020
0
363
A perennial debate over the birthplace of the cherry blossom has taken a fresh turn as a Chinese industry group claims the Asian giant is the tree's true home, rather than Japan or claimant South Korea.
Environment
Mar 30, 2015
2
74
A new approach to integrated circuits, combining atoms of semiconductor materials into nanowires and structures on top of silicon surfaces, shows promise for a new generation of fast, robust electronic and photonic devices. ...
Nanophysics
May 14, 2014
0
0
Mott insulators are a peculiar class of materials with structures that should theoretically conduct electricity, but that are instead insulators. These materials contain strongly correlated electrons, which can generate highly ...
