Helix

Yonggang Ke, Shawn M. Douglas, Minghui Liu, Jaswinder Sharma, Anchi Cheng, Albert Leung, Yan Liu, William M. Shih and Hao Yan- Multilayer DNA Origami Packed on a Square Lattice

Nucleic Acid Double Helix / Proteins / Helix / Dna / Nanotechnology

Dani Dibujo

Helix / Circle / Curve / Euclidean Geometry / Triangle

The Engineering Drawing Basics

Ellipse / Perpendicular / Helix / Circle / Cartesian Coordinate System

001_enganajes 2

Gear / Motion (Physics) / Helix / Kinematics / Machines

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