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Asus Transformer Pad Infinity tablet with 2560x1600 screen and Nvidia Tegra 4 processor

12.06.2013

Asus has officially unveiled a new version of the Transformer Pad Infinity tablet computer. The product received a new display and a different platform, and its appearance on sale is expected in the autumn of this year.

If the hardware platform of the previous version of the flagship Asus tablet running Android OS was based on the Nvidia Tegra 3 single-chip platform, then the new model uses the Nvidia Tegra 4 SoC, whose CPU runs at 1,9 GHz. The amount of RAM has increased to 2 GB, and the display resolution with the same diagonal of 10,1 inches has increased to 2560 x 1600 pixels (pixel density - 299 per inch). As before, the screen is made on an IPS type panel.

The tablet configuration also includes two cameras with a resolution of 5 and 1,2 megapixels, a dual-mode Wi-Fi 802.11a / b / g / n wireless adapter with Miracast technology support and a Bluetooth 3.0 + EDR module, 32 GB of eMMC memory, a slot for memory cards microSD micro-HDMI video output. Due to the latter, it provides an output to an external screen of a video image with Ultra HD resolution.

Traditionally, the Transformer Pad Infinity will be available in two versions: as a standalone device or as a tablet + keyboard set. The latter contains a USB 3.0 port, an SD memory card slot and a 16 Wh lithium-polymer battery. At the same time, the capacity of the battery installed in the tablet itself is 31 Wh. The overall dimensions and weight of the mobile device are 263 x 180,8 x 8,9 mm and 600 grams, respectively, the dimensions and weight of the docking station are 263 x 180,8 x 7 mm and 450 grams, respectively.

The approximate cost of the Transformer Pad Infinity itself in the US is $400. For the presence of the keyboard in the kit will have to pay another $100.

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Ear shape affects hearing 03.04.2018

Changing the shape of the auricle can deprive a person of the ability to determine where the sound source is. Canadian scientists came to this conclusion by temporarily changing the shape of the ears of several people.

The fact that we have two ears, not one allows us to localize sound in a horizontal plane; the brain takes into account the time gap between how the sound wave reaches the ears, and interprets it as a displacement of the source to the left or right. But this system does not help to understand whether the sound comes from below or above: the complex shape of the auricle helps us in this. Scientists from the University of Montreal figured out how the shape of the ear affects the ability to navigate by sounds.

16 volunteers took part in the experiment. Each of them sat in a chair in a specially equipped room, where speakers were placed at different heights to the left and right of the chair. Participants in the experiment had to determine where the sound was coming from. They did it well, but only until the scientists fixed silicone pads on their ears that changed the shape of the auricle. After that, the volunteers began to say that the sound came from above, while the bottom speaker actually worked, and vice versa. True, after a while, the pads stopped interfering with sound localization: the brain adapted to the new shape of the ear. The shape of the auricle of each person is individual; There are no two identical ears, just as there are no identical fingerprints, so the specific criteria by which the brain determines the height of a sound source are also strictly individual, the authors of the work conclude.

During the experiment, the scientists recorded the activity of neurons in the auditory cortex using MRI. Scanning showed that the higher the sound source, the weaker the response of neurons; it is possible that the brain determines the height of the sound source by the level of cell activity, Trapo and Schoenwiesner believe.

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