Looking at the branding on the bag, surely it's just this: https://www.lfatabletpresses.com/ready-mix-firmapress in pink?
Here's the paper: https://homes.cs.washington.edu/~gshyam/Papers/loRaBackscatt... Tech like this already exists (look up "UHF RFID") and the picture they've got looks very similar to existing tags (image search for…
Looking at the branding on the bag, surely it's just this: https://www.lfatabletpresses.com/ready-mix-firmapress in pink?
Here's the paper: https://homes.cs.washington.edu/~gshyam/Papers/loRaBackscatt... Tech like this already exists (look up "UHF RFID") and the picture they've got looks very similar to existing tags (image search for…