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  • Quantum crystals could spark the next tech revolution
    Auburn scientists have designed new materials that manipulate free electrons to unlock groundbreaking applications. These “Surface Immobilized Electrides” could power future quantum computers or transform chemical manufacturing. Stable, tunable, and scalable, they represent a leap beyond traditional electrides. The work bridges theory and potential real-world use.
  • Decades-old photosynthesis mystery finally solved
    Scientists from the Indian Institute of Science (IISc) and Caltech have finally solved a decades-old mystery about how photosynthesis really begins. They discovered why energy inside plants flows down only one of two possible routes — a design that lets nature move sunlight with astonishing precision. Using advanced computer simulations, the researchers showed that one […]
  • A century-old piano mystery has just been solved
    Scientists confirmed that pianists can alter timbre through touch, using advanced sensors to capture micro-movements that shape sound perception. The discovery bridges art and science, promising applications in music education, neuroscience, and beyond.
  • Princeton’s AI reveals what fusion sensors can’t see
    A powerful new AI tool called Diag2Diag is revolutionizing fusion research by filling in missing plasma data with synthetic yet highly detailed information. Developed by Princeton scientists and international collaborators, this system uses sensor input to predict readings other diagnostics can’t capture, especially in the crucial plasma edge region where stability determines performance. By reducing […]
  • Heisenberg said it was impossible. Scientists just proved otherwise
    Researchers have reimagined Heisenberg’s uncertainty principle, engineering a trade-off that allows precise measurement of both position and momentum. Using quantum computing tools like grid states and trapped ions, they demonstrated sensing precision beyond classical limits. Such advances could revolutionize navigation, medicine, and physics, while underscoring the global collaboration driving quantum research.
  • This new camera sees the invisible in 3D without lenses
    Scientists have developed a lens-free mid-infrared camera using a modern twist on pinhole imaging. The system uses nonlinear crystals to convert infrared light into visible, allowing standard sensors to capture sharp, wide-range images without distortion. It can also create precise 3D reconstructions even in extremely low light. Though still experimental, the technology promises affordable, portable […]
Educational slide introducing the use of hardware timers in the PIC16F877A microcontroller. The left side features a stopwatch icon and the question “Alarm, Timers, how does it work?”, while the right side shows the microcontroller and MPLAB X IDE logo. The image sets the stage for learning about Timer0, Timer1, and Timer2 functionality.
Core tutorial, Embedded systems

PIC Microcontrollers Timers

In this tutorial, we will learn what are "Timers"; we will explain this with examples using the Microcontroller PIC16F877A. For this tutorial is may be helpful to understand the basics of turning an LED on and off, which is explained in one of my previous tutorials on LEDs. In this ...
Educational graphic showing how to interface 4x3 matrix keypads with a PIC16F877A microcontroller. The image includes two physical keypads, a schematic layout of the 4x3 keypad connections, the PIC16F877A chip, and the MPLAB X IDE logo. Text reads "Interfacing PIC16F877A with 4x3 keypads."
Core tutorial, Embedded systems

Interfacing 4×3 keypads with PIC16F877A

In this tutorial, we will provide an overview of the 4x3 membrane keypad. The keypad serves as a reliable and budget-friendly tool for having inputs in your project. Understanding how to interface with the keypad will prove useful in future projects that require menu selection or similar inputs. Our guide ...
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