Precise solar observations fed millions in ancient Mexico
Without clocks or modern tools, ancient Mexicans watched the sun to maintain a farming calendar that precisely tracked seasons and even adjusted for leap years.
Without clocks or modern tools, ancient Mexicans watched the sun to maintain a farming calendar that precisely tracked seasons and even adjusted for leap years.
Archaeology
Dec 12, 2022
2
330
Scientists have documented a two-part climatic connection between the North Atlantic Ocean and Antarctica, a fast atmospheric channel and a much slower oceanic one, that caused rapid changes in climate during the last ice ...
Earth Sciences
Nov 28, 2018
1
139
Modern mathematical techniques - similar to those used to analyse social-networking websites - have allowed academics to shed new light on a centuries old debate surrounding the Viking age in Ireland and the famous battle ...
Mathematics
Jan 23, 2018
6
457
Anonymity networks, which sit on top of the public Internet, are designed to conceal people's Web-browsing habits from prying eyes. The most popular of these, Tor, has been around for more than a decade and is used by millions ...
Computer Sciences
Dec 7, 2015
0
1220
(Phys.org) —We might be one step closer to an Internet-of-things reality. University of Washington engineers have created a new wireless communication system that allows devices to interact with each other without relying ...
Engineering
Aug 13, 2013
27
0
(Phys.org) —Theoretical physicist Marcelo Montemurro and colleague Damián H. Zanette have published a paper in the journal PLOS ONE claiming that the Voynich text is likely not a hoax as some have suggested. The two researchers ...
Researchers at Queen's University's Human Media Lab have developed a new smartphone – called MorePhone – which can morph its shape to give users a silent yet visual cue of an incoming phone call, text message or email.
Hi Tech & Innovation
Apr 29, 2013
5
0
Funding agencies may be paying out duplicate grants, according to an analysis completed at the Virginia Bioinformatics Institute at Virginia Tech and led by Harold R. Garner, a professor in the departments of biological science, ...
Other
Jan 30, 2013
1
0
(Phys.org)—Cloudmark, a San Francisco based messaging security company, posted a notice on Sunday that an Android trojan is being used to create simple havoc, aka an SMS spam botnet. Cyber-thieves dangling the lure of free ...
(Phys.org)—Just what you never wanted. Mac-based malware, just ponder that phrase alone, not Windows-based but Mac-based, that tricks users into paying subscription fees. The malware masquerades as an installer for various ...