![Jessica Marshall on Twitter: "NIST balance made of LEGO that is part of the effort to redefine the kilogram. #SciWri18 https://t.co/t6mjlTk9tL" / Twitter Jessica Marshall on Twitter: "NIST balance made of LEGO that is part of the effort to redefine the kilogram. #SciWri18 https://t.co/t6mjlTk9tL" / Twitter](https://pbs.twimg.com/media/Dpo8G4kUwAEsw-o.jpg:large)
Jessica Marshall on Twitter: "NIST balance made of LEGO that is part of the effort to redefine the kilogram. #SciWri18 https://t.co/t6mjlTk9tL" / Twitter
![Circuit diagram for the LEGO watt balance. The top diagram connects one... | Download Scientific Diagram Circuit diagram for the LEGO watt balance. The top diagram connects one... | Download Scientific Diagram](https://www.researchgate.net/publication/283017497/figure/fig4/AS:613931173294100@1523384006577/Circuit-diagram-for-the-LEGO-watt-balance-The-top-diagram-connects-one-of-the-two-coils.png)
Circuit diagram for the LEGO watt balance. The top diagram connects one... | Download Scientific Diagram
![experimental physics - How can a Lego version of a Kibble balance measure the Planck constant? - Physics Stack Exchange experimental physics - How can a Lego version of a Kibble balance measure the Planck constant? - Physics Stack Exchange](https://i.stack.imgur.com/7tYTi.jpg)
experimental physics - How can a Lego version of a Kibble balance measure the Planck constant? - Physics Stack Exchange
![mass - Why do we still not have an exact (constants-based) definition for a kilogram? - Physics Stack Exchange mass - Why do we still not have an exact (constants-based) definition for a kilogram? - Physics Stack Exchange](https://i.stack.imgur.com/dY46a.png)