Teachers is the central, crucial, core, the most important element of the whole system of public education, which will remain such for at least several decades.
The links to all six my applications to the NSF 2026 Big Idea Machine (from August 31, 2018 to October 26, 2018):
1. Entry125253: High Frequency Data Streams in Education
2. Entry124656: objective measures of physics knowledge
3. Entry125317: National database teacher PD
4. Entry124655: role of NSF in funding education
5. Entry125719: The new type of a science course for science teachers.
6. Entry126205: The development of the uniform standard for measuring content knowledge in physics.