diff --git a/README.md b/README.md
index 306ddba..09a39bc 100644
--- a/README.md
+++ b/README.md
@@ -1,35 +1,45 @@
-QuTiP Lectures as IPython notebooks
+QuTiP Lectures as Jupyter notebooks
 ===================================
+[![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/jrjohansson/qutip-lectures/HEAD)
 
-Quantum mechanics and quantum optics lectures and demonstrations using QuTiP. For more information about QuTiP, see
+Quantum mechanics and quantum optics lectures and demonstrations using QuTiP.
 
-http://qutip.googlecode.com
+For more information about QuTiP, see
 
-To open these notebooks in IPython, download the files to a directory on your computer and from that directory run:
+https://qutip.googlecode.com
 
-    $ ipython notebook
+To open these notebooks in Jupyter Notebook or JupyterLab, download the files to a directory on your computer and from that directory run:
+
+    $ jupyter notebook  # or
+    $ jupyter lab
 
 This will open a new page in your browser with a list of the available notebooks.
 
+
+Online read-write versions
+===========================
+- https://mybinder.org/v2/gh/jrjohansson/qutip-lectures/HEAD
+- https://mybinder.org/v2/gh/jrjohansson/qutip-lectures/HEAD?labpath=Lecture-0-Introduction-to-QuTiP.ipynb
+
 Online read-only versions
 =========================
 
 Use the following links:
 
-* [Lecture-0 Introduction to QuTiP](http://nbviewer.ipython.org/urls/raw.github.com/jrjohansson/qutip-lectures/master/Lecture-0-Introduction-to-QuTiP.ipynb)
-* [Lecture-1 Jaynes-Cumming model](http://nbviewer.ipython.org/urls/raw.github.com/jrjohansson/qutip-lectures/master/Lecture-1-Jaynes-Cumming-model.ipynb)
-* [Lecture-2A Cavity-Qubit Gates](http://nbviewer.ipython.org/urls/raw.github.com/jrjohansson/qutip-lectures/master/Lecture-2A-Cavity-Qubit-Gates.ipynb)
-* [Lecture-2B Single-Atom Lasing](http://nbviewer.ipython.org/urls/raw.github.com/jrjohansson/qutip-lectures/master/Lecture-2B-Single-Atom-Lasing.ipynb)
-* [Lecture-3A Dicke model](http://nbviewer.ipython.org/urls/raw.github.com/jrjohansson/qutip-lectures/master/Lecture-3A-Dicke-model.ipynb)
-* [Lecture-3B Jaynes-Cumming with ultrastrong coupling](http://nbviewer.ipython.org/urls/raw.github.com/jrjohansson/qutip-lectures/master/Lecture-3B-Jaynes-Cumming-model-with-ultrastrong-coupling.ipynb)
-* [Lecture-4 Correlation Functions](http://nbviewer.ipython.org/urls/raw.github.com/jrjohansson/qutip-lectures/master/Lecture-4-Correlation-Functions.ipynb)
-* [Lecture-5 Parametric Amplifier](http://nbviewer.ipython.org/urls/raw.github.com/jrjohansson/qutip-lectures/master/Lecture-5-Parametric-Amplifier.ipynb)
-* [Lecture-6 Quantum Monte Carlo Trajectories](http://nbviewer.ipython.org/urls/raw.github.com/jrjohansson/qutip-lectures/master/Lecture-6-Quantum-Monte-Carlo-Trajectories.ipynb)
-* [Lecture-7 iSWAP-gate](http://nbviewer.ipython.org/urls/raw.github.com/jrjohansson/qutip-lectures/master/Lecture-7-iSWAP-gate.ipynb)
-* [Lecture-8 Adiabatic quantum computing](http://nbviewer.ipython.org/urls/raw.github.com/jrjohansson/qutip-lectures/master/Lecture-8-Adiabatic-quantum-computing.ipynb)
-* [Lecture-9 Squeezed states of harmonic oscillator](http://nbviewer.ipython.org/urls/raw.github.com/jrjohansson/qutip-lectures/master/Lecture-9-Squeezed-states-of-harmonic-oscillator.ipynb)
-* [Lecture-10 cQED in the dispersive regime](http://nbviewer.ipython.org/urls/raw.github.com/jrjohansson/qutip-lectures/master/Lecture-10-cQED-dispersive-regime.ipynb)
-* [Lecture-11 Charge Qubits](http://nbviewer.ipython.org/urls/raw.github.com/jrjohansson/qutip-lectures/master/Lecture-11-Charge-Qubits.ipynb)
-* [Lecture-12 Decay into a squeezed vacuum field](http://nbviewer.ipython.org/urls/raw.github.com/jrjohansson/qutip-lectures/master/Lecture-12-Decay-into-a-squeezed-vacuum-field.ipynb)
-* [Lecture-14 Kerr nonlinearities](http://nbviewer.ipython.org/urls/raw.github.com/jrjohansson/qutip-lectures/master/Lecture-14-Kerr-nonlinearities.ipynb)
-* [Lecture-16 Gallery of Wigner functions](http://nbviewer.ipython.org/urls/raw.github.com/jrjohansson/qutip-lectures/master/Lecture-16-Gallery-of-Wigner-functions.ipynb)
+* [Lecture-0 Introduction to QuTiP](https://nbviewer.org/github/jrjohansson/qutip-lectures/master/Lecture-0-Introduction-to-QuTiP.ipynb)
+* [Lecture-1 Jaynes-Cumming model](https://nbviewer.org/github/jrjohansson/qutip-lectures/master/Lecture-1-Jaynes-Cumming-model.ipynb)
+* [Lecture-2A Cavity-Qubit Gates](https://nbviewer.org/github/jrjohansson/qutip-lectures/master/Lecture-2A-Cavity-Qubit-Gates.ipynb)
+* [Lecture-2B Single-Atom Lasing](https://nbviewer.org/github/jrjohansson/qutip-lectures/master/Lecture-2B-Single-Atom-Lasing.ipynb)
+* [Lecture-3A Dicke model](https://nbviewer.org/github/jrjohansson/qutip-lectures/master/Lecture-3A-Dicke-model.ipynb)
+* [Lecture-3B Jaynes-Cumming with ultrastrong coupling](https://nbviewer.org/github/jrjohansson/qutip-lectures/master/Lecture-3B-Jaynes-Cumming-model-with-ultrastrong-coupling.ipynb)
+* [Lecture-4 Correlation Functions](https://nbviewer.org/github/jrjohansson/qutip-lectures/master/Lecture-4-Correlation-Functions.ipynb)
+* [Lecture-5 Parametric Amplifier](https://nbviewer.org/github/jrjohansson/qutip-lectures/master/Lecture-5-Parametric-Amplifier.ipynb)
+* [Lecture-6 Quantum Monte Carlo Trajectories](https://nbviewer.org/github/jrjohansson/qutip-lectures/master/Lecture-6-Quantum-Monte-Carlo-Trajectories.ipynb)
+* [Lecture-7 iSWAP-gate](https://nbviewer.org/github/jrjohansson/qutip-lectures/master/Lecture-7-iSWAP-gate.ipynb)
+* [Lecture-8 Adiabatic quantum computing](https://nbviewer.org/github/jrjohansson/qutip-lectures/master/Lecture-8-Adiabatic-quantum-computing.ipynb)
+* [Lecture-9 Squeezed states of harmonic oscillator](https://nbviewer.org/github/jrjohansson/qutip-lectures/master/Lecture-9-Squeezed-states-of-harmonic-oscillator.ipynb)
+* [Lecture-10 cQED in the dispersive regime](https://nbviewer.org/github/jrjohansson/qutip-lectures/master/Lecture-10-cQED-dispersive-regime.ipynb)
+* [Lecture-11 Charge Qubits](https://nbviewer.org/github/jrjohansson/qutip-lectures/master/Lecture-11-Charge-Qubits.ipynb)
+* [Lecture-12 Decay into a squeezed vacuum field](https://nbviewer.org/github/jrjohansson/qutip-lectures/master/Lecture-12-Decay-into-a-squeezed-vacuum-field.ipynb)
+* [Lecture-14 Kerr nonlinearities](https://nbviewer.org/github/jrjohansson/qutip-lectures/master/Lecture-14-Kerr-nonlinearities.ipynb)
+* [Lecture-16 Gallery of Wigner functions](https://nbviewer.org/github/jrjohansson/qutip-lectures/master/Lecture-16-Gallery-of-Wigner-functions.ipynb)