Let's explore 10 devices that improve our lives and take a look at the how, when and why of their existence. Some of these decisions may surprise you, but life for all of us would be very different without them. Whether you prefer digital or analog, there is a good chance that a wall in your classroom, your office desk, or a bench that you passed on your way to work or school will wear a clock. If that's not enough, there's the clock in the family car and all the DVD players, VHS players, cable or satellite boxes, televisions, microwaves, coffee makers and ovens.
Time seems to be everywhere, but it wasn't always like that. Now that we can synchronize our clocks, let's move on to the next section where we'll explore the wonders of the bathroom. Now, we'll move from the bathroom to the kitchen and look at the refrigerator. At the beginning of the 20th century, an American businessman, Frederic Tudor, made his fortune by shipping ice all over the world.
He equipped the ships with special insulation, packed them with blocks of ice and delivered them to the Caribbean and beyond, making his place in history as the first Mr. Now that you don't have to spend two hours a day cleaning dirty clothes, straining your back and ruining your manicure, you can chat with your friends and family on the phone, the next appliance we can't live without. Grateful military personnel on the Internet. During the 1960s, the Agency for Advanced Research Projects (ARPA) began a project for the military designed to connect four important computers in the event of a nuclear attack.
For more information on this, read How ARAPNET Works. The MP3 player uses a hard drive and sophisticated compressed files to store music. MP3 recording software evaluates sounds in relation to the range of human hearing, the times a sound is repeated, and the overlapping sound pitch to compress files efficiently. Digital recordings use equally complex methods of recording sound using binary code.
Whatever the method, if you're listening to recorded music, the whole process began with a rough rendition of Mary Had a Little Lamb recited by Edison himself on a piece of aluminum foil. In just 30 years, computers have revolutionized the way companies work, people play, and the world communicates. It is difficult to imagine a single aspect of human life that has not been affected by the development of computer technology. We released our list of types of appliances with dishwashers.
Perhaps not the most important appliance in the kitchen, tops the list as the most convenient. Your TV, washing machine, refrigerator and other appliances are responsible for more than half of your electricity consumption. But do you know which one is the most expensive to run? To avoid excessive consumption, it is important not to leave the refrigerator door open, as this considerably increases the amount of work that the motor has to do and not put hot food inside the fridge, since the effort required to cool the food causes it to consume even more energy. The most efficient refrigerators are those rated Class A+++, which consume up to 80% less than Class D refrigerators.
During their normal useful life, these savings avoid the emission of around one and a half tons of CO2 into the atmosphere (not a minor detail) and a wasteful expense of around 1000 euros. What do you think? Not bad, eh? In a hard-fought battle for second place, washing machines use 11.8% of the energy of our electrical appliances. To save energy with this electrical appliance, you should only use short programs and adjust the temperature to a cold wash whenever possible. In addition, if your washing machine is not equipped with an adjustable loading system, you should only use it when it is full and at a low or moderate temperature, since heating water accounts for most of the energy consumed.
You should also remember that TVs with LED technology consume 25% less energy than LCD TVs and up to 40% less energy than plasma TVs. If you tend to concentrate your television consumption at certain times, what suits you best is the One Luz 3 Periods tariff, with very cheap schedules at night and during the weekends. If you're an avid cook, you should keep the following in mind:. Since this appliance consumes 8.3% of the total consumption of your electrical appliances.
Do not open the oven door while in use, as each time you open the door the oven loses 20% of its accumulated energy. In the same way, as with everything in life, hygiene is very important. You should keep your oven free of grease. You can also turn off the oven before the cooking time ends to take advantage of the residual heat from the appliance.
You choose 2 consecutive hours in which electricity consumption will be free every day. Microwaves have become so common in homes that technology companies seek to benefit from it by having their own brand of microwave. The modern refrigerator uses a system that converts gas into liquid. Refrigerators work by using a coil system that transfers heat out of the insulated compartment.
The refrigerator is one of the most important appliances in this modern era. Imagine that if you didn't have the refrigerator, many of the things you eat, milk, cheese and perishable foods would not be available for consumption because they have been spoiled due to lack of storage. Your only alternative would be to grow your own crops and consume them quickly. .