<p>Pam Cronrath tells her deeply personal story of creating a lifelike speaking hologram of her husband, Bill, after he passed away. Pam wanted to honour a promise she'd made to Bill, for a "super wake". And so Bill's hologram appeared in front of two hundred guests at the event, and surprised them with a verbal greeting.</p><p>Also this week: if you've had a knee operation and have a smart device monitoring your health, the doctor might want to see you now. And virtual glucose monitoring tech for diabetics - with the help of AI.</p><p>Presenter: Shiona McCallum Producer: Tom Quinn</p><p>(Image: Pam Cronrath is standing beside the hologram of her husband, Bill. Credit: George Johnsen)</p>