Knowledge Base

Answers and Guides

What Is Chemistry and What Are Its Main Branches?

Chemistry is the science of matter: what substances are made of, how they are structured, how they behave, and how they change in…

What Is the Columbia University Mathematics Department and What Does It Offer?

The Columbia University Mathematics Department is the mathematics faculty and academic unit housed in the Mathematics hall on Col…

What Is an Audio Society and What Happens at Its Meetings?

An audio society is a local club for people who care about how recorded music sounds at home. Members meet in person to demonstra…

What Is Physics and How Do You Follow Physics Research News?

Physics is the study of matter, energy, force, and motion—how the universe behaves at scales from subatomic particles to galaxies…

How Does Research Work at a Marine Science Center Like Hatfield?

Research at the Hatfield Marine Science Center (HMSC) works through a shared coastal campus model: Oregon State University operat…

How Does Netflix Use Technology and Engineering?

Netflix uses technology and engineering to run a global streaming service end to end: encoding and delivering video, personalizin…

How to Find and Download Open Source Fonts from Font Library

Font Library (fontlibrary.org) is a community-driven catalog of open-source fonts that you can download and use in personal and c…

What Is a Video? Definition, Formats, and How It Differs from Other Media

A video is a sequence of still images (frames) displayed rapidly enough that the human eye perceives continuous motion. The thres…

How Do Typo Tolerance and Faceting Work in a Hosted Search Service?

Typo tolerance lets a search engine return relevant results even when the query contains misspellings, transposed letters, or mis…

What Is PubPeer and How Does Post-Publication Peer Review Work?

PubPeer is a website where people can discuss published, peer-reviewed research after it has appeared in a journal. It is best un…