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  • These tiny holes could change how the world cleans water
    A new nature-inspired membrane uses perfectly uniform one-nanometer pores to filter molecules with remarkable precision. The technology could transform industries such as pharmaceuticals and textiles by reducing energy consumption, improving water reuse, and delivering separation performance far beyond current filters.
  • Scientists discover a hidden quantum world inside cobalt
    Scientists have uncovered unexpected quantum complexity inside cobalt, a metal long thought to be fully understood. Advanced measurements revealed a dense network of topological electronic states that remain robust at room temperature. These states enable extremely fast electron behavior and can be switched or controlled using magnetism. The discovery could open new paths toward next-generation […]
  • A 100-year-old piano mystery has finally been solved
    For more than a century, pianists and music teachers have argued over whether a performer’s touch can actually change the tone color of a piano note — and now scientists say the answer is yes. Using a cutting-edge sensor system that tracked piano key movements at 1,000 frames per second, researchers discovered that elite pianists […]
  • Ordinary WiFi can now identify people with near perfect accuracy
    Scientists in Germany have demonstrated a startling new form of surveillance: identifying people using nothing more than ordinary WiFi signals. By analyzing how radio waves bounce around a room, researchers can effectively “see” and recognize individuals — even if they are not carrying a device and even if their phone is turned off.
  • New quantum sensor could count individual photons and hunt dark matter
    Researchers have built an ultra-sensitive sensor capable of detecting unimaginably small amounts of energy — below one zeptojoule. The breakthrough relies on fragile superconducting materials that react to even the slightest temperature change. This level of precision could improve quantum computers, enable photon counting, and even help scientists detect elusive dark matter particles from space.
  • New quantum algorithm solves “impossible” materials problem in seconds
    A new quantum-inspired algorithm has cracked a problem so massive that conventional supercomputers struggle to even approach it. Researchers used the method to simulate extraordinarily complex quantum materials known as quasicrystals, opening the door to powerful new quantum devices and ultra-efficient electronics. The work could help scientists design advanced topological qubits and materials for future […]

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Educational slide showing a graph of a PID-controlled system’s step response. The plot displays overshoot, oscillation, and settling behavior as the process value (green) approaches the set point (blue). The image focuses on techniques for tuning PID parameters using a PIC microcontroller and MPLAB X IDE.
PID tuning methods
Rule-based PID tuning methods asssume that there is a system response that can be put into an easy mathematical description. The characteristics of this response...
Diagram of 3-phase AC systems with star and delta configurations, microcontroller
3 phase AC systems
In this article we take a closer look at the three phase power system. I will begin with giving you an overview of the differences...
Illustration of a 3-phase AC motor showing three sets of stator coils (U, V, W) around a rotor with north and south poles. A waveform graph of phase shifts for Phase 1, 2, and 3 is included. On the right, text reads "Types of AC motors – Working principle" with an MPLAB X IDE microcontroller chip visual at the bottom.
Types of AC Motors – Working Principles
Motors are primarily categorized as either AC or DC, with further classifcation based on their inherent rotation characteristics. In this article, we will commence by...
Brushless vs Brushed DC motor
Brushless Vs Brushed DC Motors: Which to choose
Motors are primarily categorized as either AC or DC, with further classification based on their inherent rotation characteristics. In this article, we will commence by...
Diagram showing two labeled stepper motor illustrations, one with rotor alignment and misalignment, and a microcontroller (PIC16F877A) with the MPLAB X IDE logo. Text reads "Controlling Stepper Motors with Microcontrollers".
Controlling Stepper Motors with Microcontrollers
The basic principle behind a motor lies in the conversion of electrical energy into rotational mechanical movement. This can manifest as either continuous or step-wise...
Diagram showing SPI communication between PIC16F877A microcontroller (master) and a slave device using SCK, MOSI, MISO, and SS lines, with MPLAB X IDE branding.
SPI for microcontrollers
In this article we will take a closer look at Serial Peripheral Interface, also called SPI. This is the third and last serial communication module...