Featured 

University

Software
Relay-based AND and NAND gates
free rating
4
University of Hamburg
This applet demonstrates a three-input logical AND and a two...
This applet demonstrates a three-input logical AND and a two-input logical
Fraction Matcher
free rating
4
University of Colorado
Match shapes and numbers to earn stars in this fractions game. Challenge yourself on any level you like...
Match shapes and numbers to earn stars in this fractions game. Challenge
Dual-rail-carry full adder
free rating
4
University of Hamburg
This circuit demonstrates the (rather clever) full-adder circuit designed by Konrad Zuse...
This circuit demonstrates the (rather clever) full-adder circuit designed by Konrad Zuse for his Z3
Hamming code
free rating
4
University of Hamburg
This circuit demonstrates the use of a 4...
This circuit demonstrates the use of a 4-bit Hamming code for error detection and error correction
2x2 bit multiplier
free rating
4
University of Hamburg
A simple multiplier for 2-bit input values A (A1, A0) and B (B1, B0) implemented as a two...
A simple multiplier for 2-bit input values A (A1, A0) and B (B1, B0) implemented as a two-level
GAL output cell
free rating
4
University of Hamburg
This circuit shows the typical output cell block used for PAL and GAL programmable...
This circuit shows the typical output cell block used for PAL and GAL programmable devices
MTBindingSim
free rating
4
University of Notre Dame/Charles Pence
MTBindingSim is a program to plot binding curves under various conditions...
MTBindingSim is a program to plot binding curves under various conditions, particularly
Forces and Motion: Basics
free rating
4
University of Colorado
Explore the forces at work when pulling against a cart, and pushing a refrigerator, crate...
Explore the forces at work when pulling against a cart, and pushing a refrigerator, crate, or person
CMOS 6T SRAM cell
free rating
4
University of Hamburg
A switch-level demonstration of the typical six-transistor SRAM storage cell. Click the input...
A switch-level demonstration of the typical six-transistor SRAM storage cell. Click the input
DCF-77 radio-controlled clock
free rating
4
University of Hamburg
The DCF-77 radio sender is located near Frankfurt in Germany and continuously transmits a 77...
This applet shows a DCF-77 radio controlled digital clock, realized as a gate-level circuit. The DCF
Bending Light
free rating
4
University of Colorado
Explore bending of light...
Explore bending of light between two media with different indices of refraction. See how changing
States of Matter: Basics
free rating
4
University of Colorado
Heat, cool and compress atoms and molecules and watch as they change between solid...
Heat, cool and compress atoms and molecules and watch as they change between solid, liquid and gas
Molecule Polarity
free rating
4
University of Colorado
Molecule Polarity changes the electronegativity...
Molecule Polarity helps you change the electronegativity of atoms in a molecule
States of Matter
free rating
4
University of Colorado
Watch different types of molecules form a solid, liquid, or gas. Add or remove heat and watch the phase...
Watch different types of molecules form a solid, liquid, or gas. Add or remove heat and watch
Projectile Motion
free rating
4
University of Colorado
Blast a car out of a cannon, and challenge yourself to hit a target! Learn about projectile...
Blast a car out of a cannon, and challenge yourself to hit a target! Learn about projectile
Quantum Bound States
free rating
4
University of Colorado
Explore the properties of quantum "particles" bound in potential...
Explore the properties of quantum "particles" bound in potential wells. See how the wave functions
Fluid Pressure and Flow
free rating
4
University of Colorado
Explore pressure in the atmosphere and underwater...
Explore pressure in the atmosphere and underwater. Reshape a pipe to see how it changes
Hades Editor
free rating
4
University of Hamburg
This software consists of a graphical editor...
This software consists of a graphical editor, the discrete-event based simulation engine(s)
Objective First
rating
2
Cambridge University Press
Objective First is an updated and revised edition of the best-selling Cambridge English...
Objective First is an updated and revised edition of the best-selling Cambridge English: First (FCE)
Mystic Destinies Serendipity of Aeons
free rating
2
Aeon Dream Studios
Mystic Destinies Serendipity of Aeons is a game that tackles romance in an urban fantasy setting...
as twenty-year-old university student Tsubasa Fujimoto