[Buckeye McFrog]

That ESL bulb is in essence a mini picture tube from an old-style TV set. Those things throw out a bunch of unwanted radiation in addition to heat and light.

[muawiyah]

The piece said these bulbs don’t.

[Yo-Yo]

That ESL bulb is in essence a mini picture tube from an old-style TV set. Those things throw out a bunch of unwanted radiation in addition to heat and light.

The electrons are unfocused, so according to the maker Vu1 and the UL they don't produce X-Rays. The focused, accelerated electron beam of a CRT does throw off X-Rays. CRT TV tubes use heavily leaded glass to block those X-Rays.

[Peter from Rutland]

Wrong.

[Wonder Warthog]

"Those things throw out a bunch of unwanted radiation in addition to heat and light."

So do CRT based TV sets (and computer monitors). I haven't noticed anybody growing green antlers from exposure to those.

Stop scaremongering.