RT Wes Roth (@WesRothMoney)Eighteen months after receiving Neuralink’s first-in-human brain-computer implant, Noland Arbaugh has turned a life once limited by paralysis into one filled with study, gaming, entrepreneurial plans, and near-daily public speaking.The wireless chip’s 1,000-plus electrodes let him control a computer cursor, play Mario Kart, and manage everyday tasks solely with thought.Now enrolled in neuroscience courses and launching a speaking business, he credits the device with restoring purp ...