This sequence of color changes will repeat with a period of approximately 15 seconds at 25 oC. The reaction last about 5 min. This reaction can occur by a radical process which is turned on when I- ...

Three white solids are added to a colorless stirred solution. The solution turns orange and after about 75 seconds, colorless. The oscillation continues with an initial period of about 20 seconds at ...

Like any good engineer, [Proto_G] thinks mechanisms and linkages are neat. And, even Hollywood agrees that an oscillating mechanism is not a trivial design. Adding pneumatics to the mix just adds ...

A common project among electronics tinkerers is the joule thief, a self-oscillating circuit that ... current pulses needed to drive the clock’s mechanism. It can power the clock from a single ...