"The existence of harmful radiation should first be proven. Some of the harmful effects were on cathode-ray monitors and now on flat screens - unlikely. The electromagnetic field is around all electricity-consuming devices. Of course, any modern device using wireless communication emits a radio wave but their harmfulness is still debatable, "says Abero Michelo , planter at the own garden. "Plants cannot act as a screen because this type of electromagnetic radiation passes through them. So it makes no sense to place them on a computer. In the case of harmful gaseous substances, it is very likely that plants absorb and can purify the air. organic compounds that react under certain conditions (in bright light) with nitrogen oxides, which may be an element of air pollution, and form ozone as well as other harmful compounds.
Abero Michelo says: "Houseplants could only be important if they were between a person and a computer. Everything else is more faith than science. Plants will clean the room of CO2 if they are wiped out of dust, Enlightened and lacking in water or minerals, and the duration of the illumination will be such that the plant will photosynthesize longer than the breath. "
Gardener profesionals says that in the past, cacti were used to counteract the adverse effects of the computer because of its small size and drought resistance. However, she does not recommend doing this because cacti need a sunny place.
Can be placed shady succulents - krasula, havortias, gastritis. All these houseplants can do without stress, which is not recommended near the computer. If there is more space on the computer, there are good pikes, spatifils, dracens, petty ficus, chlorophyll, hanging traditions in the vicinity.
In winter, cactuss need a rest period
The peacetime period for cacti begins in late November or early December and lasts until the end of February and the beginning of March.
In winter, the cactuss has a period of peace. In order for them to fully rest, accumulate forces and set buds, cactuss should be provided with favorable conditions.
Keep in a cool but cool place, at an optimum temperature of around 15-16 degrees.
The premises should be regularly ventilated to keep fresh air circulating, but care should be taken to ensure that the cacti are protected from the rapid flow of cold air.
Cactuses are rarely and very little - just so that the soil does not get wet.
They do not eat them during the rest period.
Cacti from the peacetime period will need to be curled up by a very gradual re-sprinkling of water, raising the temperature and re-fertilizing the cactus-containing fertilizer with a reduced nitrogen content, if the fertilizer is high in nitrogen, the cactus will grow very large but soon become fragile and fragile.
The birthplace of the owl cactus is the warm desert and semi-desert areas of South America. There's plenty of sunlight, lots of fresh air and loose, nutrient-poor soil. The cacti that grow in our apartments are all longing for it.
To get as many lights as possible, cactuses are best grown on or near sunlit windowsills. Without sunlight they will be difficult to grow and will not turn into flower buds.
Under natural conditions, these cacti grow in broad, sandy plains and mountainous areas where the winds are where to run. That is why in summer you should definitely find the possibility to put the cacti out. To be warmed up by the sun's rays to blow the gusts of wind to rinse the rain - then the cacti will be more beautiful and healthier, they will have less or no pests (the worst thing is a crib - it kills the tip of a cactus that cannot be trimmed). In the winter, however, the rooms should be regularly ventilated, protecting the cacti from a rapid flow of cold air.
To make the cactus good in the flower pots, they need a loose, nutrient-poor soil that is formed by mixing coarse gravel with sod and leaf roughness. It must be ensured that cacti roots can be accessed by air and not be exposed to moisture for a long time.
Gymnocalycium is similar to ferocactus, but many times smaller. These cacti are interesting in that each species has a slightly different color - up to reddish brown. The gymnasts have decorative thorns and lovely flowers, most often found in gymnastics with light yellow flowers, but they are also in other colors. Seeds ripen after flowering.
How to choose a laptop?
First, decide for what purpose you need a laptop: will you carry it with you everywhere, how many hours you spend on the screen and whether you need it as a work tool or perhaps just for games. The answer to this question depends on the size of the screen, the speed of the computer and, therefore, the price.
A laptop is usually chosen for active use outside the home, so indicators such as weight, size and durability are very important. For use outside the home, the ultrabook with a screen of up to 15 inches, a weight of up to 3 kg and a durable plastic or aluminum body will be most convenient. This ultrabook will also work well for work, learning and entertainment.
Any laptop, be it Acer, Asus, Toshiba, HP or anyone else, will work fast or slow depending on its processor generation, kernel volume and frequency, and the amount of RAM. The processor performance (speed) indicator depends on its generation.
Paying attention to the amount and frequency of processor cores, it would be advisable to follow the principle of "the more, the better": the more kernels and the higher the frequency, the higher the performance of the laptop. A perfect laptop for training, work or surfing the web - a portable computer with a 2-4 core processor with a 2 GHz operating frequency.
A gaming laptop is a bit more demanding - high quality new games require a 4-8 core processor with a frequency of at least 3 GHz. The TurboBoost laptop technology, which allows to increase the core frequency, will work much faster.
The amount of RAM (RAM) shows how many tasks a laptop can perform simultaneously. If you use a laptop only for communication, shopping and surfing the Internet, and for working with text files, then you will have enough 2-4 GB of RAM. For work, training and entertainment you will need a laptop with RAM 4-6 GB. If you like playing computer games or you are processing different graphic or music files then you need a laptop with 6-16 GB of RAM.
When choosing a laptop, pay attention also to the amount of hard disk space on which all data, music, movies and photos will be stored. At the moment, laptops tend to be HDD or SDD drives. The SDD is younger, more robust, significantly faster (for example, running an operating system will take up to 10 seconds) and works virtually without sound. If you plan to use your laptop only for work, training or entertainment, then 500-999 GB will suffice. However, if your work requires a large amount of information or you like to play computer games, you will need a hard drive of 1 TB.
Of course, other devices, such as flash drives, external hard drives, and memory cards, can also be used to store data. Today, all laptops have an SD / SDHC card or USB input that allows you to quickly transfer data from a flash drive or an external hard drive, and vice versa. It should be noted that USB 3.0 is 10 times faster than USB 2.0