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- ...

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 ...

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 ...

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 ...

In contrast to the technologies devised by humans to keep track of time, biology has developed vastly different mechanisms for ... precision of modern clocks. Second, the features required of ...