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  • Physicists just found the ‘ghost’ of superconductivity
    Physicists have found striking evidence for an unusual form of superconducting behavior in uranium ditelluride, where electron pairs organize into rippling patterns called pair density waves. Even more surprisingly, these patterns appear to survive after ordinary superconductivity disappears, suggesting that the electron pairs responsible for superconductivity may begin forming before the material actually becomes superconducting.
  • Scientists finally see how nature moves energy so efficiently
    Researchers have captured key steps in a chemical reaction that helps nature transfer energy with remarkable efficiency. Ultrafast X-rays revealed how changes involving electrons and protons are closely linked to the rearrangement of surrounding water molecules. Because similar reactions drive photosynthesis and other energy-conversion processes, the technique could help scientists develop better catalysts, fuel cells, […]
  • A new kind of magnetism could unlock faster, more efficient computers
    Scientists have discovered evidence of altermagnetism in a thin, highly tunable material that could help electronics use electron spin instead of relying only on electrical charge. The unusual magnetic state may enable faster, more energy-efficient devices without the unwanted magnetic interference caused by conventional magnets.
  • A new process turns plastic waste into gasoline and diesel fuel
    Scientists at Oak Ridge National Laboratory have developed a surprisingly simple way to turn polyethylene, the common plastic used in shopping bags and cutting boards, into gasoline and diesel-like fuels. The process uses inexpensive aluminum-based molten salts to break long plastic molecules into smaller hydrocarbons, producing about 60% gasoline under relatively mild conditions.
  • Billions in rare earth elements may be hiding in America’s coal ash
    Scientists are looking to diatoms, sea sponges, and plants for a cleaner way to recover rare earth elements and other valuable minerals hidden inside coal ash, red mud, and mine tailings. The bio-inspired approach could turn massive industrial waste piles into useful materials while reducing energy use, harsh chemicals, and reliance on new mining.
  • Scientists turn seawater into fresh water without harmful brine
    Scientists have developed a solar-powered desalination system that turns seawater into fresh water while removing nearly all of the leftover salt as a solid instead of producing harmful brine. The self-cleaning technology could also recover valuable minerals such as lithium, potentially turning desalination waste into a useful resource.

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Educational graphic introducing Timer0 of the PIC16F877A microcontroller. On the left, a stopwatch icon and the question "Alarm, Timers, how does it work?" highlight practical applications. On the right, a microcontroller image and the MPLAB X IDE logo indicate the programming environment used for learning timer-based functionality.
PIC16F877A Timer0 tutorial
The Timer0 module is an 8-bit timer/counter that is included with all 8-bit PIC MCU devices. The Timer0 is more than just a timer....
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.
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...
Featured image of how to use interrupts in the PIC16F877A
How to use interrupts in microcontrollers
In this tutorial we will learn how to use external interrupts in PIC microcontrollers. We will go in depth on how to set it up...
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."
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...
Featured image of the PIC16F877A - Transistors and beyond part 3
Control Possibilities with PIC16F877A: Relays, Optos, H Bridges (Part 3 of 3)
Most microcontrollers have limited current sink or current source on their pins, including the PIC16F877A. However, certain projects may require larger currents than the maximum...
Educational graphic showing the interface of a PIC16F877A microcontroller with N-channel MOSFETs. It includes a circuit symbol and cross-sectional diagram of a MOSFET, the microcontroller chip, and MPLAB X IDE logo. The title reads “PIC16F877A and MOSFETs Part 2.”
Interfacing PIC16F877A with MOSFETS (Part 2 of 3)
Most microcontrollers have a limited current sink or current source on the pins, the PIC16F877A is no exception. However, for certain projects you may want...