Tech From Here: NL · Sources
Your ear is two materials
The work this post covers and every source it draws on, each linked to the original.
Research cited
- Wollina U, Goldman A, Machado Luz P, Guindani Marson V. Esthetic and reconstructive options for earlobe deformities. J Cutan Aesthet Surg 2025 pmc.ncbi.nlm.nih.gov
- Feng M, Ahmed KH, Punjabi N, Inman JC. A contemporary review of trachea, nose, and ear cartilage bioengineering and additive manufacturing. Biomimetics 2024 pmc.ncbi.nlm.nih.gov
Other sources
Images, slide by slide
- Slide 1
- Diagram of a right ear in side view with two piercings marked: a hoop through the rim, labeled elastic cartilage, and a stud in the lobe, labeled no cartilage, fat and connective tissueImage: RN Collins studio, code-drawn. Checked against OpenStax Anatomy and Physiology 2e, section 4.3 (elastic cartilage in the external ear); Feng et al. 2024, Biomimetics 9(6):327, PMC11202182 (helix; lobule lacks cartilage, connective tissue and fat); Wollina et al. 2025, J Cutan Aesthet Surg 18(1):7-15, PMC11866664 (earlobe lacks cartilage). Source lines drawn on the graphic
- Slide 2
- Labeled diagram of the outer ear, marked DiagramImage: RN Collins studio, code-drawn. Checked against OpenStax Anatomy and Physiology 2e, section 4.3 (elastic cartilage in the external ear); Feng et al. 2024, Biomimetics 9(6):327, PMC11202182 (helix, antihelix, tragus, concha; lobule lacks cartilage, connective tissue and fat); Wollina et al. 2025, J Cutan Aesthet Surg 18(1):7-15, PMC11866664 (earlobe lacks cartilage). Source lines drawn on the graphic
- Slide 3
- Labeled diagram marked Diagram: elastic cartilage from the rim and bowl of the ear, magnifiedImage: RN Collins studio, code-drawn. Checked against OpenStax Anatomy and Physiology 2e, section 4.3. Source line drawn on the graphic
- Slide 4
- Labeled diagram marked Diagram: the ear sliced from the rim down to the lobeImage: RN Collins studio, code-drawn. Checked against Wollina et al. 2025, J Cutan Aesthet Surg 18(1):7-15, PMC11866664 (earlobe lacks cartilage); Feng et al. 2024, Biomimetics 9(6):327, PMC11202182 (lobule: connective tissue and fat). Source lines drawn on the graphic
- Slide 5
- Labeled diagram marked Diagram: a blood vessel runs in the tissue around a patch of cartilage, and dashed arrows show nutrients diffusing through the matrix to the cartilage cellsImage: RN Collins studio, code-drawn. Checked against OpenStax Anatomy and Physiology 2e, section 4.3. Source line drawn on the graphic
- Slide 6
- Labeled diagram marked Diagram: two magnified swatches side by sideImage: RN Collins studio, code-drawn. Checked against OpenStax Anatomy and Physiology 2e, section 4.3; Wollina et al. 2025, J Cutan Aesthet Surg 18(1):7-15, PMC11866664; Feng et al. 2024, Biomimetics 9(6):327, PMC11202182. Source lines drawn on the graphic
- Ring frame
- Military radio receiver with open lid (Museum Verbindingsdienst)Frame: Alf van Beem, CC0, croppedMuseum or journal record
- Quotes and video
- RN's spoken lines in this post, from her own cameraRN's own footage, 16 Oct 2026, Hotel Mariënhage, Eindhoven