# Featured Topics

**19 Jan, 2014** – Logisim Example Circuits: *Our expanding range of Logisim example files will help you to master the features of this powerful digital logic simulator as quickly and painlessly as possible.* (Category: Software / Hardware)

**12 Jan, 2014** – Karnaugh Map Logic Simplification with Logisim: *Logisim's Combinational Analysis tool includes a powerful Karnaugh map designer, for circuits with up to four inputs.* (Category: Software / Hardware)

**5 Jan, 2014** – Creating Truth Tables with Logisim: *Logisim's Combinational Analysis tool makes it incredibly easy to create truth tables, which is a key step in the design of combinational logic systems.* (Category: Software / Hardware)

**5 Jan, 2014** – Logisim: *Logisim is a freely available, simple to use, and surprisingly powerful digital logic simulator and design tool, produced by Carl Burch.* (Category: Software / Hardware)

**1 Jan, 2014** – Half Adder: *A half adder circuit performs a 1-bit binary addition, producing a Sum output and also a Carry-Out to a more significant stage.* (Category: Electronics)

**1 Jan, 2014** – Full Adder: *A full adder circuit performs an addition of two single bit numbers, together with a Carry-In from a less significant stage, producing a Sum output and a Carry-Out to the next stage.* (Category: Electronics)

**24 Dec, 2013** – The Earth’s Magnetic Field: *Our planet's magnetic field is roughly the same shape as that of a bar magnet, and has an average magnetic flux density of about 50 μT* (Category: Electrical)

**24 Dec, 2013** – Properties of Magnetic Fields: *A magnetic field is found in the area around magnetic materials and current carrying conductors, and has both a direction and a magnitude at each point. A magnetic field can either attract or repel other magnetic objects at a distance.* (Category: Electrical)

**8 Dec, 2013** – Homopolar Motor: *The homopolar motor is simple to build, requiring just a few commonly available components including a magnet, battery and wire.* (Category: Electrical)

**24 Nov, 2013** – Fleming’s Left Hand Rule: *Fleming's Left Hand Rule allows the direction to be predicted of the force on a current carrying conductor, placed at right angles to a magnetic field.* (Category: Electrical)