Time Machine bit by bit

This is not a normal clock or a banal calendar but it is an Artistic binary Clock, a Maya Calendar and alternatively aTorch.
You will have the pleasure to seeing, on the screen of your iPhone, 33 beautiful paintings of M.C.Escher, along with a binary clock and Maya calendar.

You can set the transparency of the paintings by tap on the screen so that these will be more or less bright.
On the paintings you can also view a "true" digital clock, in fact it will represent the values of hours, minutes and seconds in binary notation, as well as today's date. Decimal values of the time will disappear when you tap on binary clock.
Moreover the program can display a Maya calendar offering to the user the possibility to convert Gregorian date to Maya calendar (Long count) and conversely
If you want you can start an automatic presentation of all paintings choosing the delay between the slides.
The screen Help (tap on upper right corner) can help you to choose the correct command through the touch of a finger.
It is also possible to store the current settings (starting painting, delay between slides, color, painting transparency, clock, Maya calendar).
Alternatively it is possible to use the program as a torch: in fact the iPhone screen can illuminate the area around you, in any gradation of white, yellow, red or cyan colors, by using as screen background, a beautiful Eschers's painting.
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Information about binary clock:
Binary code is a system in which information can be expressed by combinations of the digits 0 and 1.
One in first right position means 1, in second position means 2, in third position means 4 and then 8, 16, 32, 64 and so on, each one double of the previous.
The resulting decimal number is obtained adding all the decimal values corresponding to positions where there is one.
For example binary number 1101=8+4+1=13
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Information about Maya calendar:
Maya Long Count calendar used by the program begins with 0.0.0.0.0 (6 September 3114 B.C. - for other date calculations 17 August 3113 B.C.) and it finishes with 13.0.0.0.0 (21 December 2012).
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Nothing bad will happen to the Earth in 2012. Our planet has been getting along just fine for more than 4 billion years, and credible scientists worldwide know of no threat associated with 2012.

Just as the calendar you have on your kitchen wall does not cease to exist after December 31, the Mayan calendar does not cease to exist on December 21, 2012. This date is the end of the Mayan long-count period (13.0.0.0.0) but then -- just as your calendar begins again on January 1 -- another long-count period begins for the Mayan calendar (other 1872000 days!).