From Music to Mathematics: Exploring the Connections (Review)

This review first appeared in the December 2017 issue of the American Mathematical Monthly.  If someone plays a sine wave with a frequency of 440 Hz, you will most likely perceive an A. (In fact, 440 is probably the most famous musical frequency. It is the tuning standard for most modern orchestras and instruments.) However, that A will not More...

by PunditX | Published 8 hours ago
By PunditX On Saturday, February 24th, 2018
0 Comments

A New Way to Recycle Batteries Uses Half the Energy

A new recycling process could provide a way to restore lithium-ion battery cathodes to “mint condition”. What’s better, this new process only uses half the energy of conventional recycling methods. The More...

By PunditX On Saturday, February 24th, 2018
0 Comments

The Physics of Figure Skating

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www.springernature.com/us). Scientific American maintains More...

By PunditX On Saturday, February 24th, 2018
0 Comments

1 Important Secret for Effective Communication

In the first line of the first chapter in Alan Alda’s latest book he writes, “A couple of decades ago, a letter came in the mail that set me on a path that would not only bring me to a deeper understanding More...

By PunditX On Friday, February 23rd, 2018
0 Comments

How Baby Birds Learn to Duet

The word ‘duet’ usually refers to a song. But in a sense, every human conversation is a duet—with unwritten rules about when participants take their turns to speak. You can hear how awkward it sounds More...

By PunditX On Friday, February 23rd, 2018
0 Comments

Researchers combine artificial eye and artificial muscle

To solve this problem, the researchers developed a new algorithm to shrink the file size to make the metalens compatible with the technology currently used to fabricate integrated circuits. In a paper recently published More...

By PunditX On Friday, February 23rd, 2018
0 Comments

One Important Secret for Effective Communication

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www.springernature.com/us). Scientific American maintains More...

By PunditX On Friday, February 23rd, 2018
0 Comments

Astronomers Spot Most Distant Supernova Ever Seen

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www.springernature.com/us). Scientific American maintains More...

By PunditX On Thursday, February 22nd, 2018
0 Comments

SpaceX Launches Test Satellites for Internet Constellation

A SpaceX Falcon 9 rocket with a pre-flown first stage successfully delivered to orbit today (Feb. 22) the first two prototypes for the company’s huge Starlink satellite-internet constellation, More...

By PunditX On Thursday, February 22nd, 2018
0 Comments

Before Hitting the Road, Self-Driving Cars Should Have to Pass a Driving Test

The following essay is reprinted with permission from The Conversation, an online publication covering the latest research. What should a self-driving car do when a nearby vehicle is swerving unpredictably More...