Abstract: The basis of visual measurement is camera calibration. In the traditional calibration method, the radial and tangential distortion models usually are adopted. Because of the randomness of ...

In 1998, astronomers discovered dark energy. The finding, which transformed our conception of the cosmos, came with a little-known consequence: It threw a wrench into the already daunting task of ...

The Mummers string band competition, which was canceled on New Year's Day because of high winds, has been rescheduled for 2 p.m. Saturday, Jan. 31, at Lincoln Financial Field. The event will still be ...

The City of Philadelphia confirms its working with the Mummers organization to reschedule the string band competition after it was supended for the first time in 125 years due to dangerously high ...

In August, a team of mathematicians posted a paper claiming to solve a major problem in algebraic geometry — using entirely alien techniques. It instantly captivated the field, stoking excitement in ...

Chris Wedel is a fan of all things tech and gadgets. Living in rural Kansas with his wife and two young boys makes finding ways to stay online tricky — not to mention making my homestead smarter.

PowerShell is a versatile and powerful scripting language that can be used to automate various tasks on your system. One common task that often requires the use of PowerShell is working with strings.

Creative Commons (CC): This is a Creative Commons license. Attribution (BY): Credit must be given to the creator. We present an improved method for determining guess structures for transition state ...

In 1980, Stephen Hawking gave his first lecture as Lucasian Professor at the University of Cambridge. The lecture was called "Is the end in sight for theoretical physics?" Forty-five years later, ...

Timothy McKenry does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...