Chances are you often encounter metal alloys in your everyday life in the form of jewelry, cookware, tools, and most other items made of metal. Examples of alloys include white gold, sterling silver, brass, bronze, and steel. Here are some interesting facts about metal alloys. Facts About Common Alloys An alloy is a blend of two or more metals.
James Watt (January 19, 1736-August 25, 1819) was a Scottish inventor, engineer, and chemist. He developed a workable steam engine that utilized a separate condenser; this innovation made the steam engine a useful tool for a vast range of uses. In many ways, Watt's invention-or rather, his improvement on an earlier invention, the Newcomen steam engine-was the technological impetus behind the Industrial Revolution.
Imagine a world where everyone had brown skin. Tens of thousands of years ago, that was the case, say scientists at Pennsylvania State University. So, how did white people get here? The answer lies in that tricky component of evolution known as a genetic mutation. Out of Africa It has long been assumed in scientific circles that Africa is the cradle of our human civilization and that it was there that our ancestors shed most of their body hair around 2 million years ago.
Here is a text to help you speak some English online - even if it's not with a real person. You will hear the lines you see below. There is a pause between each sentence. That's where you come in. Answer the questions and have a conversation. It's a good idea to read through the conversation before you begin, so you'll know which questions to ask to keep up with the conversation.
The sociological imagination is the practice of being able to “think ourselves away” from the familiar routines of our daily lives in order to look at them with fresh, critical eyes. C. Wright Mills, who created the concept and wrote a book about it, defined the sociological imagination as “the vivid awareness of the relationship between experience and the wider society.
Hima is a Japanese word meaning time or leisure. Learn more about its pronunciation and usage in the Japanese language below. Pronunciation Listen to this audio file to hear how hima is pronounced. Meaning time; time to spare; leisure; free time; a leave (of absence) Japanese Characters 暇 （ひま） Example & Translation Here's an example of how hima is used in a sentence: Isogashikute, shinbun o yomu hima mo nai.