I like how they call out that it has 20% of the capacity of a lithium ion battery of the same mass. I'd rather be realistic about technological advances, and th

I like how they call out that it has 20% of the capacity of a lithium ion battery of the same mass. I'd rather be realistic about technological advances, and then be pleasently surprised when it shows up in consumer products rather than have a glowing press release and then we don't see it in production ever.