The world is in a climate crisis, and we need to act now to avoid a disaster. That’s the message of How to Avoid a Climate Disaster, by former United States Secretary of State John Kerry. In this book, Kerry outlines the steps we need to take to avoid the worst effects of climate change….
In his book, “A Different Mirror: A History of Multicultural America”, Ronald Takaki explores the history of minorities in America. He begins with a discussion of the Native American experience, then moves on to the experiences of African-Americans, Mexican-Americans, Japanese-Americans, Chinese-Americans, and finally Caucasian-Americans. Takaki argues that America’s history is not simply the story of…
PDFs are a great way to share information, but they can be a pain to mark up. Here are some tips on how to mark up a PDF so you can add your comments and suggestions. First, open the PDF in Acrobat Reader. Then, use the comment and markup tools to add your notes. You…
If you’re using a Mac, the default PDF viewer might be Preview. However, there are other options available that might suit your needs better. In this article, we’ll show you how to change the default PDF viewer on your Mac. 1) Launch the “Preview” application 2) Select “Preferences” from the “File” menu 3) Click on…
To calculate superheat, you’ll need to know the temperature of the refrigerant vapor and the temperature of the saturated vapor. The difference between these two temperatures is the amount of superheat. To calculate subcooling, you’ll need to know the temperature of the refrigerant liquid and the temperature of the saturated liquid. The difference between these…
A Dog’s Purpose is a novel written by W. Bruce Cameron. The book tells the story of a dog who reincarnates into different dogs over the course of several lifetimes. The dog, whose name is Bailey, remembers his previous lives and uses this knowledge to help guide his current owner, Ethan, through some tough times….
For anyone who spends a lot of time reading and annotating PDFs, learning how to markup PDF can be a huge time-saving productivity boost. By understanding how to use the various tools available for marking up PDFs, you can streamline your workflows and get more done in less time. Here are some tips on how…
There are a few different ways that you can convert your DWG files into PDFs. The first method is to use an online converter. These converters will allow you to upload your DWG file and then download the converted PDF. This is a quick and easy way to convert your files, but it can be…
There are many different algebra courses available online and in textbooks. Abstract algebra is a type of mathematics that studies the properties of algebraic structures, such as groups, rings, and fields. A First Course in Abstract Algebra 7th Edition is a comprehensive course that covers all the major topics of abstract algebra. The course is…
A First Course in Database Systems 3Rd Edition covers the basics of database systems. It starts with an introduction to databases and data modeling. The book then covers relational databases, including an overview of relational algebra. Next, it discusses SQL, the standard query language for relational databases. The book also covers other important topics such…