You can buy all kinds of conventional clocks that have hands and numbers for easy reading. Or, like [Fabio Ricci], you could build yourself something a little more esoteric, like this neat shadow ...

Currently quartz crystal-based oscillators are among the most common type of clock source in electronics, providing a reasonably accurate source in a cheap and small package. Unfortunately for high ...

Abstract: Cardiovascular disease is one of the diseases that needs more awareness since it can lead to death. Arrhythmia is a cardiovascular disease caused by irregular heart rhythm and can affect ...