Building electric circuits has been a science-class staple for decades. Using copper wire, a 9-volt battery and a light bulb, students learn about the flow of electricity. That classic lesson is ...

Any robot that moves needs actuators—motors that move parts of the robot around. While robot actuators have been around since the dawn of machines, they have some issues. For one, it is very difficult ...

Most of us can do simple math in our heads, but some people just can’t seem to add two numbers between 0 and 3 without using paper, like [Aliaksei Zholner] does with his fluidic adder circuit built ...