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Daily tech news

New platform lets anyone rapidly prototype large, sturdy interactive structures
A rapid prototyping platform called VIK (Voxel Invention Kit) enables makers without engineering expertise to create large-scale interactive devices using a series of reconfigurable electromechanical building blocks. These user-friendly components can be assembled using only a soldering iron and a pair of pliers.
Lords of the molecular rings: An innovative shortcut to high-performance organic materials
Scientists have unveiled an innovative approach for synthesizing azaparacyclophanes (APCs), a class of highly advanced ring-shaped molecular structures with immense potential in material science. Their innovative Catalyst-Transfer Macrocyclization (CTM) method streamlines the production of these complex macrocycles, paving the way for more efficient and scalable applications in organic electronics, optoelectronics, and supramolecular chemistry -- such […]
Scientists tune in to rhombohedral graphene's potential
Scientists are investigating how structures made from several layers of graphene stack up in terms of their fundamental physics and their potential as reconfigurable semiconductors for advanced electronics.
Spinning, twisted light could power next-generation electronics
Researchers have advanced a decades-old challenge in the field of organic semiconductors, opening new possibilities for the future of electronics. The researchers have created an organic semiconductor that forces electrons to move in a spiral pattern, which could improve the efficiency of OLED displays in television and smartphone screens, or power next-generation computing technologies such […]
Breakthrough nano-spring technology boosts battery durability and energy density
Scientists improved battery durability and energy density with a nano-spring coating.
Scientists discover smart way to generate energy with tiny beads
Researchers have discovered a new method to generate electricity using small plastic beads. By placing these beads close together and bringing them into contact, they generate more electricity than usual. This process, known as triboelectrification, is similar to the static electricity produced when rubbing a balloon against hair.

What are thyristors and how do they work?

In this article I will discuss what thyristors are and how they work. I will start with the semiconductor structure of a thyristor and use the characteristic V-I curve to explain the three different modes. Subsequently, I will use an two transistor model to explain the thyristor from a different ...

Actuators & Motors, Embedded systems

3-phase IGBT-inverter – Working principles

In this article the 3-phase IGBT inverter and its functional operation are discussed. In order to realize the 3-phase output from a circuit employing dc as the input voltage, a 3-phase (IGBT) inverter has to be used. The inverter is build of switching devices, thus the way in which the ...