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  • 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.
  • Building bridges in physics
    Researchers show that Cartan's First Structure Equation, which relates to edge and screw dislocations in crystal lattices, can be recast in the same form as a basic mathematical formula that governs the behavior of electric currents and magnetic fields. This work can help make new concepts more understandable by employing more familiar frameworks.
  • 'Nanodot' control could fine-tune light for sharper displays, quantum computing
    Newly achieved precise control over light emitted from incredibly tiny sources, a few nanometers in size, embedded in two-dimensional materials could lead to remarkably high-resolution monitors and advances in ultra-fast quantum computing, according to an international team.
  • Super sapphire resists scratches, glare, fog and dust
    Researchers have discovered techniques to bestow superpowers upon sapphire, a material that most of us think of as just a pretty jewel.
  • New 'one-pot' technique a breakthrough for material synthesis
    A new technique builds inorganic and polymer battery electrolytes at the same time, in the same vessel. This 'one-pot' in-situ method creates a controlled, homogeneous blend, pairing the conductivity of the inorganic solids with the flexibility of the polymers.
  • Scientists use AI to better understand nanoparticles
    A team of scientists has developed a method to illuminate the dynamic behavior of nanoparticles, which are foundational components in the creation of pharmaceuticals, electronics, and industrial and energy-conversion materials.
Featured image of 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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