small update

README.md

@@ -3,6 +3,12 @@
 ## Three.js:
 - Examples:
     - [Three.js Examples](https://threejs.org/examples/)
+    - Research examples
+      - [Robot Inverse Kinematics](https://amiraa.pages.cba.mit.edu/swarm-morphing/recursive_swarm/demos/indexIK.html)
+      - [Swarm Robots and Path Planning](https://amiraa.pages.cba.mit.edu/swarm-morphing/recursive_swarm/demos/indexCone.html)
+      - [CFD Simulation](https://amiraa.pages.cba.mit.edu/GPU-LatticeBoltzmann/_Code/indexStatic.html)
+      - [Hardware Design Tools](https://amiraa.pages.cba.mit.edu/physical-computing-design-tools/01_Code/physical_computing_interface/demos/indexSimulation.html)
+    - Other Examples
       - Data Visualization: [A world of Oil](https://www.gsmlondon.ac.uk/global-oil-map/)
       - Architecture Visuzalization: [Cruciform](https://www.clicktorelease.com/code/cruciform/)
       - Interactive 3D model: [Renault](https://renaultespace.littleworkshop.fr/)
@@ -47,12 +53,15 @@
 - Examples:
     - [Examples](https://unity.com/madewith?_ga=2.185694379.36137922.1543245587-676820850.1535121275)
 - Tutorials:
+    - [Unity Learn](https://learn.unity.com/)
     - [Lynda: Advanced Unity: 3D Game Programming](https://www.lynda.com/Unity-3D-tutorials/Advanced-Unity-3D-Game-Programming/160270-2.html)
     - [Example Projects](https://unity3d.com/learn/resources/downloads)
 - Integration with Hardware:
     - [Unity and Arduino](http://www.alanzucconi.com/2015/10/07/how-to-integrate-arduino-with-unity/)
+    - [Unity and Arduino2](https://www.iottechtrends.com/integrate-arduino-with-unity-3d/)
     - [Week 11](http://fab.cba.mit.edu/classes/863.16/section.Harvard/people/Abdel-Rahman/index.html)
 - VR:
+    - [Oculus Learn](https://developer.oculus.com/blog/free-oculus-unity-vr-development-course/)
     - [Tutorial 1: Circuit Stream](https://circuitstream.com/htc-vive-tutorial/)
     - [Tutorial 2: VRTK](https://vrtoolkit.readme.io/)
     - [Google Cardboard Workflow](https://developers.google.com/vr/develop/unity/get-started-ios)