Beehive Journal

The threats arising from the massive SolarWinds hack

by | Jan 5, 2021

Top UI Design Principles To Keep In Mind

The creation of a high-quality user interface implies the principle “the user is above all” and the corresponding methodology for the development of the entire software product. For the software to be good enough, the users must feel that they are managing it, not the other way around. When creating that feeling for the user, the user interface design aspects listed below have to be taken into account. Naturalness According to the article by Ditte Mortensen, a natural UI design is one that does not force the users to change their usual ways of solving the issue significantly. It means that the messages and results produced by the application should not require additional explanations. It is also advisable to preserve the notation system and terminology used in this subject area.

“An energy-harvesting circuit based on graphene could be incorporated into a chip to provide clean, limitless, low-voltage power for small devices or sensors,” said Paul Thibado, professor of physics and lead researcher in the discovery. The findings, published in the journal Physical Review E, are proof of a theory the physicists developed at the U of A three years ago that freestanding graphene—a single layer of carbon atoms—ripples and buckles in a way that holds promise for energy harvesting. The idea of harvesting energy from graphene is controversial because it refutes physicist Richard Feynman’s well-known assertion that the thermal motion of atoms, known as Brownian motion, cannot do work. Thibado’s team found that at room temperature the thermal motion of graphene does in fact induce an alternating current (AC) in a circuit, an achievement thought to be impossible. In the 1950s, physicist Léon Brillouin published a landmark paper refuting the idea that adding a single diode, a one-way electrical gate, to a circuit is the solution to harvesting energy from Brownian motion. Knowing this, Thibado’s group built their circuit with two diodes for converting AC into a direct current (DC). With the diodes in opposition allowing the current to flow both ways, they provide separate paths through the circuit, producing a pulsing DC current that performs work on a load resistor. To read more click here.

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