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Microsoft Surface 2 and Microsoft Surface Pro 2 tablets

24.09.2013

Microsoft introduced the Surface 2 and Surface Pro 2 tablets, which are the development of the Surface RT and Surface Pro models, respectively. Surface 2 is based on ARM architecture, while Surface Pro 2 is based on x86 architecture.

The main innovations implemented in Surface Pro 2 include the use of an Intel Core i5 (Haswell) processor and Microsoft Windows 8.1. The tablet is equipped with a 10,6-inch screen, which, according to the manufacturer, is capable of displaying 50% more colors than its predecessor's screen. The screen resolution is 1920 x 1080 pixels.

Compared to Surface Pro, battery life has been improved by 75%. The device is configured with 4 GB of dual-channel DDR3-1600 memory and a 64 or 128 GB SSD, or 8 GB of dual-channel DDR3-1600 memory and a 256 or 512 GB SSD. The tablet is equipped with an 802.11 b/g/n Wi-Fi adapter, a USB 3.0 port, two USB 2.0 ports, and a mini-DisplayPort output that allows you to connect monitors up to 3840 x 2160 pixels. Surface Pro 2 prices start at $900.

The Surface 2 is similar in hardware to the Surface Pro 2, but is built on the Nvidia Tegra 4 SoC and runs Windows RT 8.1. The four Cortex-A15 cores on the Nvidia Tegra 4 SoC operate at 1,9GHz. The amount of RAM LPDDR3 is 2 GB, and flash memory - 32 or 64 GB. The tablet is equipped with cameras with a resolution of 5 and 3,5 megapixels.

An important feature of Surface 2 is the presence of Microsoft Office RT 2013. The 8,9 mm thick tablet weighs 676 grams and works without recharging up to 10 hours of video playback.

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Ear plugs in the nose for those who want to lose weight 04.06.2018

Israeli doctors from the Hasharon hospital in Petah Tikva have created a device that helps a person lose weight by depriving him of the ability to smell food. Experiments have shown that if a person does not smell, it deprives him of cravings for sweets.

According to WHO, since the 80s, there has been a global epidemic of obesity in the world. Last year, every third inhabitant of the Earth, a total of 1,9 billion people, suffered from excess weight, while approximately 15% - from severe forms of obesity. As noted in the organization, 47 percent of diseases - for example, heart problems, diabetes and cancer - are associated with obesity.

In recent years, scientists have begun to increasingly talk about the fact that obesity and chronic inflammatory processes are interrelated. The appearance of extra pounds leads to the development of foci of inflammation in the body, which, in turn, contributes to even greater weight gain. Biologists have found that inflammation-suppressing substances such as capsaicin, the main component of the hot taste of peppers, have proven to be effective drugs for obesity. Many of these molecules are currently undergoing clinical and preclinical trials.

Dicker and colleagues offer a simpler solution to weight problems. Analyzing the prevalence of obesity among different population groups, scientists drew attention to the fact that people aged 50 years and older are much less likely to suffer from obesity than those under 50, despite similar diet and lifestyle habits. Around this age, a person's sense of smell begins to gradually deteriorate, which can affect how appetizing they find an extra serving of food.

Scientists tested this idea by making some kind of "plugs" of silicone that let air through, but prevented odors from freely penetrating into the nose of their owner. They tested their work on a group of six dozen volunteers, half of whom received bogus nose drops that supposedly helped them lose weight.

Before the start of the experiment, the researchers measured the usual amount of food consumed by their subjects, and asked them to reduce the daily amount of calories by about 500 units. Every few weeks, the researchers gathered volunteers and measured the levels of fat, insulin and other important molecules in their blood and noted their progress towards weight loss.

As these observations showed, such plugs actually helped the subjects lose weight and change their diet - on average, their weight decreased by eight percent over several months of the experiment, which is about twice as much as in the control group. Similarly, the concentration of insulin in the blood, blood pressure and cravings for sweets decreased.

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