Optical zoom smartphones without increasing their size. Free Technical Library News

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Optical zoom smartphones without increasing their size

05.10.2014

Built-in smartphone cameras have already become a tool of one of the main groups of photographers. This is not surprising, since over the years of development, the technical performance of cameras has improved markedly. No one is surprised by the high-sensitivity, low-noise, high-resolution back-illuminated sensor, multi-element autofocus lens and flash. There is one area, however, where built-in cameras fall short of stand-alone compact cameras: the lack of optical zoom. A zoom lens is too bulky for smartphones that try to make their creations as thin as possible.

Until recently, it seemed impossible to eliminate this contradiction, since the principle of operation of a traditional zoom lens is associated with the movement of elements along the optical axis, as a result of which the length of the lens changes. The young company DynaOptics claims that its specialists managed to solve the problem.

In the proposed development, the optical elements are displaced not along the axis, but across. Moreover, if in the case of a conventional zoom we are talking about changing the length by millimeters, for which there is simply no room in the compact body of a smartphone, then in the DynaOptics lens, the shift of elements is measured in microns.

The developer has already demonstrated prototypes of a new type of lens. At the beginning of 2015, he expects to provide smartphone manufacturers with engineering samples, and the novelty may be ready for serial production at the end of 2015.

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The smell of emotions and social connections 26.01.2024

Smell is not just a mechanism for perceiving the world, it is a key sense that plays an important role in our emotions and social interactions.

Not only do scents create unique emotional experiences, but they also play a key role in shaping our social connections. A developed sense of smell enriches our life, making it richer and deeper. It is important to recognize the significance of this feeling and its impact on our daily experiences in society.

Scientific research confirms that smells can not only help us recognize relatives and determine genetic convergence, but also reveal a person's emotional state. For example, an experiment in the Netherlands showed that the smell of a happy mood can lift the mood of those who perceive it.

Interestingly, research suggests that women are more sensitive to odors associated with anxiety in men. This observation may explain the historical role of women in caring for the young and vulnerable in difficult situations.

Sensitivity to smell brings real benefits in your social life. People with a developed sense of smell have a rich social network, a large number of friends and frequent meetings.

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Losing our sense of smell can deprive us of an important, but subconscious, way of communicating. Therefore, the value of smell as an honest witness of our feelings cannot be doubted, scientists emphasize.

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