Technology plays an important role in many aspects of modern life. It helps answer many of humanity's problems and aims to make things more convenient over time. Technology such as computers, the internet, cell phones, tablets, and calculators help speed up the learning process for students and make communication, research, and schoolwork more efficient. Electricity is also an essential part of modern life that powers appliances, lighting, fans, and more, and has become integrated into many daily tasks and devices used for work, school, and personal use.