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Period: to
From Fahrenheit 451 to Now
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Invention of the radar gun
Advantages: Helps the Police accurately determine speeds. Disadvantages: Can cause cancer due to radiation. Needs to be calibrated every once in a while. -
Operation of the first functioning laser
Advantages: Accurate. Many uses including entertainment, medical, mechanical and many others. Disadvantages: Equipment is bulky. Expensive and have limited range. -
First computer mouse
Advantages: Easier to manuver through computer programs. Easier to perform finemovments and tasks. Disadvantages: Take up extra space. The cord can get in the way if the mouse has one. -
Compact Disk is made
Advantages: Fast information transfer. Accepted by most computers. Many applications. Cheap and abundant. Disadvantages: Can easily break. Not very much storage. Some can only be used once. -
Invention of the cell phone
Advantages: Mobile telecommunications. Small and versitile. Disadvantages: Limited battery life. Costs more than home phone service. -
Compact Flourescent Lamps are invented
Advantages: Uses less energy. Longer life. Brighter than other bulbs. Disadvantages: Contain Mercury. Not good for spot lighting, but good for ambience lighting. Lower temperatures can lower light level. -
Microwaveable popcorn bag
Advantages: Fast and convenient. Many styles and choices. Disadvantages: The butter in popcorn has been linked to lung cancer. Chemicals from the bag can be made into vapors and inhaled when the bag is first opened. -
Internet is created and operational
Advantages: Connects computers together. Applications like email and the web help productivity. Disadvantages: Other people might be able to find your personal information. Viruses that can affect your computer's performance. -
GPS for personal use is created
Advantages: Helps navigate with fast directions. Can be used to help find a lost person. Disadvantages: Needs batteries or external power supply. Needs to be given special care and handling. Cost. Distraction to drivers. -
First iPod unveiled
Adcantages: All your music in a small package. Disadvantages: Limited storage. Easily lost. Higher cost than other MP3 players. Internal battery cannot be easily replaced.
