Researchers challenge the limits of molecular memory, opening the door to the development of molecular chips

https://phys.org/news/2024-03-limits-molecular-memory-door-chips.html

"fulgide,  quickly created in 1-pot reaction, can be switched between 3 states and transitions can be controlled... individual molecules can function same way as memory bits and easy to read... upon transition from 2nd state to 3rd, geometry of molecule changes triggered by light pulse of specific wavelength"