What is RFID technology and how does it work?

What is RFID technology and how does it work? RFID is a method of data collection that involves automatically identifying objects through low-power radio waves. Data is sent and received with a system consisting of RFID tags, an antenna, an RFID reader, and a transceiver. What are the advantages of RFID? Advantages of RFID RFID […]

What materials are used for building houses?

What materials are used for building houses? Wood, cement, aggregates, metals, bricks, concrete, clay are the most common type of building material used in construction. The choice of these are based on their cost effectiveness for building projects. What are the 3 types of construction? Broadly, there are three sectors of construction: buildings, infrastructure and […]

Why do we use different temperature scales?

Why do we use different temperature scales? They are used because of preference or convenience, not necessity. These scales came about historically when there were no standards to calibrate a thermometer against. The Fahrenheit scale used the temperature of the coldest thing then known for its zero, which was salty ice. When was the temperature […]

Why are STEM subjects important?

Why are STEM subjects important? STEM stands for science, technology, engineering, and mathematics. STEM is important because it pervades every part of our lives. STEM activities provide hands-on and minds-on lessons for the student. Making math and science both fun and interesting helps the student to do much more than just learn. Why is STEM […]

What are the 4 economic goals?

What are the 4 economic goals? National economic goals include: efficiency, equity, economic freedom, full employment, economic growth, security, and stability. Economic goals are not always mutually compatible; the cost of addressing any particular goal or set of goals is having fewer resources to commit to the remaining goals. What are the goals of an […]

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