Everything about Sphero

🧭 Start here: a 6-step reading path

1. Read the overview: SpheroA 5-minute orientation
2. Skim a recent paper: Effect of vibration direction on the packing of sphero-cylindersInfluential work since 2022
3. Pick up a classic book: Cartesian meditationsThe most-reprinted book on the subject
4. Read the landmark paper: Rerouting engineered metal-dependent shapes of mesoporous silica nanocontainers to biodegradable Janus-type (sphero-ellipsoid) nanoreactors for chemodynamic therapyCited 126 times
5. Go sideways: BB-8A closely related topic
6. Go sideways: Lego MindstormsA closely related topic

🏆 Landmark papers (most cited)

• Rerouting engineered metal-dependent shapes of mesoporous silica nanocontainers to biodegradable Janus-type (sphero-ellipsoid) nanoreactors for chemodynamic therapy

  Chen-Guang Liu, Ya-Hui Han, Jian-Ting Zhang · 2019 · Chemical Engineering Journal · 126 citations

• Flow of sphero-disc particles in rectangular hoppers—a DEM and experimental comparison in 3D

  Jintang Li, Paul A Langston, Colin Webb · 2004 · Chemical Engineering Science · 110 citations

• Algebra of Sphero-Cylinders and Refractive Errors, and Their Means, Variance, and Standard Deviation

  W. F. HARRIS · 1988 · Optometry and Vision Science · 73 citations

• A bonded sphero-cylinder model for the discrete element simulation of elasto-plastic fibers

  Yu Guo, Carl Wassgren, Jennifer S. Curtis · 2018 · Chemical Engineering Science · 68 citations

• Reproducibility of sphero‐cylindrical prescriptions*

  Graeme E. MacKenzie · 2008 · Ophthalmic and Physiological Optics · 60 citations

• The excluded volume of hard sphero-zonotopes

  Bela M. Mulder * · 2005 · Molecular Physics · 46 citations

• Geometrically exact discrete-element-method (DEM) simulation on the flow and mixing of sphero-cylinders in horizontal drums

  Fuhai Yu, Shuai Zhang, Guangzheng Zhou · 2018 · Powder Technology · 38 citations

• DEM Simulation on Mixing Characteristics and Macroscopic/Microscopic Flow Behaviors of Different-Shaped Sphero-Cylinders in a Rotating Drum

  Meng Li, Yuhang Wu, Yunqiang Qian · 2021 · Industrial & Engineering Chemistry Research · 28 citations

🆕 Influential since 2022

• Effect of vibration direction on the packing of sphero-cylinders

  Fuhai Yu, Dongling Cui, Yun Zhang · 2023 · Advanced Powder Technology · 12 citations

• Unlocking the Potential of Programming Education: Enhancing Conceptual Understanding and Student Engagement with Sphero SPRK Robot

  Ibrahim Nnass, Juan-Carlos Muñoz, Michael A. Cowling · 2023 · Journal of Pure & Applied Sciences · 4 citations

• Accuracy and precision of a sphero‐cylindrical over‐refraction app for smartphones

  Rosa Maria Salmeron‐Campillo, Gines Martinez‐Ros, Jose Angel Diaz‐Guirado · 2025 · Ophthalmic and Physiological Optics · 4 citations

• Composition of trace residues from the contents of 11th–12th century sphero-conical vessels from Jerusalem

  Carney D. Matheson, Cory R. Vickruck, Chris J. McEvoy · 2022 · PLOS ONE · 3 citations

• Firsty experience with using the implantable bulking material Sphero®GEL for stress urinary incontinence in women.

  N. Lopatkin Research Institute of urology and Interventional Radiology – branch of the National Medical Research Radiological Centre of Ministry of health of Russian Federation, A.V. Sivkov, Moscow, Russia · 2022 · Experimental and Сlinical Urology · 3 citations

📚 Books worth reading

• Cartesian meditationsEdmund Husserl, Dorion Cairns · 1960
• 📕SpheroAdrienne Matteson · 2017
• Coding with SpheroAdrienne Matteson · 2017
• A Treatise on Simple and Compound Ophthalmic LensesCharles Frederick Prentice · 2018
• 📕SpheroMagdala Berjuste · 2022
• 📕Sphero Programming Language : Code ExamplesMervin Rhodarmer · 2021
• 📕Sphero NovaMarvin Ashton · 1952
• 📕Sphero Blueprint Engineering Kit Educator GuideSphero · 2024

Ranked by number of editions on Open Library, a rough measure of how lasting a book is.

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