How exactly would you scale this direct absorption? Glass tubes? Under pressure? Oops, now we're at the air-receiver dream. Never gonna happen. Also, can you gu

How exactly would you scale this direct absorption? Glass tubes? Under pressure? Oops, now we're at the air-receiver dream. Never gonna happen. Also, can you guarantee that particles don't get entrained in the steam flow? I'm not sure Siemens is gonna warrantee that turbine. Sorry to be a pessimist, but it's gonna take a while longer for tech like this to make sense to me.