Identification: kitronik.co.uk/blogs/resources/explore-micro-bit-v1-microbit-v2-differences The easiest thing is perhaps the GPIO notches.
- microbit/micropython/uart.py: the Micro BIt comes with a UART simulator via the USB connection, it is very convenient: support.microbit.org/support/solutions/articles/19000022103-outputing-serial-data-from-the-micro-bit-to-a-computer To output data to the computer simply use Python
print. To receive you can e.g. use GNU screen:It appears to be very unreliable however, some times it shows up, sometimes it doesn't.screen /dev/ttyACM0 115200
Quantum mechanical re-interpretation of kinematic and mechanical relations by Heisenberg (1925) by 
Ciro Santilli 40 Updated 2025-07-16
Ciro Santilli 40 Updated 2025-07-16This Heisenberg's breakthrough paper on matrix mechanics which later led to the Schrödinger equation, see also: history of quantum mechanics.
Published on the Zeitschrift für Physik volume 33 page pages 879-893, link.springer.com/article/10.1007%2FBF01328377
Modern overview: www.mat.unimi.it/users/galgani/arch/heisenberg25amer_j_phys.pdf
There are unlisted articles, also show them or only show them.