| Riflessione e rifrazione | [tex source](https://github.com/ulaulaman/tikzdraw/blob/master/physics/riflessione-rifrazione.tex) | [pdf](https://github.com/ulaulaman/tikzdraw/blob/master/physics/pdf/riflessione-rifrazione.pdf) |
| Convection in a glass of water | [tex source](https://github.com/ulaulaman/tikzdraw/blob/master/physics/convezione.tex) | [pdf](https://github.com/ulaulaman/tikzdraw/blob/master/physics/pdf/convezione.pdf) |
| english | [tex source](https://github.com/ulaulaman/tikzdraw/blob/master/astronomy/equinox_solstice-en.tex) | [pdf](https://github.com/ulaulaman/tikzdraw/blob/master/astronomy/pdf/equinox_solstice-en.pdf) |
| italian | [tex source](https://github.com/ulaulaman/tikzdraw/blob/master/astronomy/equinox_solstice-it.tex) | [pdf](https://github.com/ulaulaman/tikzdraw/blob/master/astronomy/pdf/equinox_solstice-it.pdf) |
| Eratosthenes method for determining the size of the Earth | | |
| english | [tex source](https://github.com/ulaulaman/tikzdraw/blob/master/infographics/eratosthenes/eratosthenes-en.tex) | [pdf](https://github.com/ulaulaman/tikzdraw/blob/master/infographics/eratosthenes/pdf/eratosthenes-en.pdf) |
| italian | [tex source](https://github.com/ulaulaman/tikzdraw/blob/master/infographics/eratosthenes/eratosthenes-it.tex) | [pdf](https://github.com/ulaulaman/tikzdraw/blob/master/infographics/eratosthenes/pdf/eratosthenes-it.pdf) |
| with title and background | | |
| english | [tex source](https://github.com/ulaulaman/tikzdraw/blob/master/infographics/eratosthenes/eratosthenes-infographic-en.tex) | [pdf](https://github.com/ulaulaman/tikzdraw/blob/master/infographics/eratosthenes/pdf/eratosthenes-infographic-en.pdf) |
| italian | [tex source](https://github.com/ulaulaman/tikzdraw/blob/master/infographics/eratosthenes/eratosthenes-infographic-it.tex) | [pdf](https://github.com/ulaulaman/tikzdraw/blob/master/infographics/eratosthenes/pdf/eratosthenes-infographic-it.pdf) |
| Spacetime deformation by a black hole | [tex source](https://github.com/ulaulaman/tikzdraw/blob/master/astronomy/spacetime_deformation.tex) | [pdf](https://github.com/ulaulaman/tikzdraw/blob/master/astronomy/pdf/spacetime_deformation.pdf) |
| dal circolo artico | [tex source](https://github.com/ulaulaman/tikzdraw/blob/master/astronomy/crepuscolo_circolo_artico.tex) | [pdf](https://github.com/ulaulaman/tikzdraw/blob/master/astronomy/pdf/crepuscolo_circolo_artico.pdf) |
| Diffusione della luce da parte dell'atmosfera | [tex source](https://github.com/ulaulaman/tikzdraw/blob/master/astronomy/diffusione_luce.tex) | [pdf](https://github.com/ulaulaman/tikzdraw/blob/master/astronomy/pdf/diffusione_luce.pdf) |