Information theory—the discipline that gave us digital communication and data compression—also put cryptography on a secure mathematical foundation. Since 1948, when the paper that created information theory first appeared, ...
Mathematics
Aug 14, 2013
9
0
The popular Pattern Lock system used to secure millions of Android phones can be cracked within just five attempts – and more complicated patterns are the easiest to crack, security experts reveal.
Security
Jan 23, 2017
2
1883
Like electronics or photonics, magnonics is an engineering subfield that aims to advance information technologies when it comes to speed, device architecture, and energy consumption. A magnon corresponds to the specific amount ...
Nanophysics
Mar 29, 2023
1
254
As Bob Dylan and the Rolling Stones prove, good music lasts a long time; now Japanese hi-tech giant Hitachi says it can last even longer—a few hundred million years at least.
Hi Tech & Innovation
Sep 24, 2012
33
0
Using powerful lasers, Hui Zhao, assistant professor of physics and astronomy at the University of Kansas, and graduate student Lalani Werake have discovered a new way to recognize currents of spinning electrons within a ...
General Physics
Aug 24, 2010
0
0
A new discovery by physicists at Martin Luther University Halle-Wittenberg (MLU) could make certain components in computers and smartphones obsolete. The team has succeeded in directly converting frequencies to higher ranges ...
General Physics
Mar 10, 2022
1
1128
Her computer, Karin Strauss says, contains her "digital attic"—a place where she stores that published math paper she wrote in high school, and computer science schoolwork from college.
Computer Sciences
Jul 23, 2016
2
1822
(PhysOrg.com) -- A research project from the RWTH Aachen University Media Computing Group and Department of Work and Cognitive Psychology in Germany is developing a desk in which the entire curved surface is a multi-touch ...
As we use resources, such as coal, oil, natural gas, copper, silicon and aluminum, to power massive computer farms and process digital information, our technological progress is redistributing Earth's matter from physical ...
General Physics
Aug 11, 2020
18
1804
Bias in the collection of data on which artificial intelligence (AI) computer programs depend can limit the usefulness of this rapidly growing tool for climate scientists predicting future scenarios and guiding global action, ...
Environment
Aug 17, 2023
0
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