Orbit: Science for kids on the move!
Jul 21, 2026 · 21 min · 15 segments
Did you know the welding arc can get even hotter than the surface of the Sun? 🔥 This week, we meet Rudy Rodriguez, a welding instructor at Weimar High School in Weimar, Texas. Together, we discover…
Rudy RodriguezGuest[dog barks] [upbeat music] I feel like every time we walk past this construction site, the building gets even taller.
Then there was a foundation, then a few big metal poles, [metal clangs] and now look at it.
[drill whirring] You know, that makes me wonder, how do they put something this big together? I mean, look at those giant metal beams.
They can't exactly use a glue stick, [boing] and I don't think there's a roll of tape big enough either.
[tape ripping] [dog barks] [welder crackling] Hey, I wonder what in the world is making those sparks up there.
[dog barks] You think it's a dragon? [dragon roaring] I guess it does look like dragon breath, but I don't see a dragon.
[dog barks] [upbeat music] I feel like every time we walk past this construction site, the building gets even taller.
Then there was a foundation, then a few big metal poles, [metal clangs] and now look at it.
[drill whirring] You know, that makes me wonder, how do they put something this big together? I mean, look at those giant metal beams.
They can't exactly use a glue stick, [boing] and I don't think there's a roll of tape big enough either.
[tape ripping] [dog barks] [welder crackling] Hey, I wonder what in the world is making those sparks up there.
[dog barks] You think it's a dragon? [dragon roaring] I guess it does look like dragon breath, but I don't see a dragon.
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