Stephen Hawking gave a speech via hologram. Again.

Cosmologist Stephen Hawking spoke in Hong Kong on Friday — only he wasn't actually present for the speech. 

The world-renowned physicist actually gave his speech live via hologram for the 90-minute lecture about his life and work. He was beamed in for his lecture from the UK. 

"Hawking spoke about the human mind, societal trends and issues such as education and science and technology research and funding, as well as what the future holds in light of current affairs," according to a press release about the event.

If you can believe it, this isn't the first time the famous scientist has given a speech via hologram.  Read more...