On Sun, 9 Jun 2019 09:15:32 -0000 (UTC), Jethro_uk wrote:

Noticed a lot of shows that have a stage now seem to have these circular
reddish glowing lights around the sides and back. Looking more like
heaters.

Curious as to what exactly they are, since I don't recall seeing them 20
years ago ?

The latest lighting fad?

--
Cheers
Dave.