Paraplegic and some quadriplegic persons routinely walk and climb stairs through a combination of computer-controlled nerve stimulation and exoskeletal robotic devices.
Statement text from the data file published with the LessWrong 2020 assessment (https://www.dropbox.com/s/jmvciqv7u3rs7x5/Kurzweil_2019.tsv?dl=0), which splits the chapter into 105 statements.