Depression is a common complaint early on in smoking cessation. Lack of nicotine and the loss of the companion that we thought helped us manage everything from anger to fatigue leaves most new ex-smokers feeling empty and adrift for a time. Quitting smoking can be very challenging at times, and is difficult enough when you're feeling happy.
Definition of tessera plural tesserae play \-ËrÄ,-ËrÄ« \ 1: a small tablet (as of wood, bone, or ivory) used by the ancient Romans as a ticket, tally, voucher, or means of identification 2: a small piece (as of marble, glass, or tile) used in mosaic work
Tessellation. A pattern of shapes that fit perfectly together! A Tessellation (or Tiling) is when we cover a surface with a pattern of flat shapes so that there are no overlaps or gaps.ther Tessellations. There are also demiregular tessellations, but mathematicians disagree on what they actually are! And some people allow curved shapes (not just polygons) so we can have tessellations like these: