Simple Parabolic Mirror

I have been looking for simple ways to make parabolic mirrors for some time and this is the simplest method I know of. It is the reverse of a larger design by NightHawkInLight and is suitable for a range of basic solar-thermal experiments such as fire lighting or running small Stirling engines.
In the future I will try to make smoother mirrors that are suitable for experiments that require better optical precision.
NightHawkInLight's original video is here:
• How To Make Parabolic ...
Music:
Cool Rock Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 3.0 License
creativecommons.org/licenses/b...

[@alexishorne5188]

We had to make a parabolic mirror in groups for our algebra 2 class and we tried this idea, we at first failed because we didn't have enough air out but the second time we perfected it and we made fire. THANKS!!!

[@ovalwingnut]

I didn't see that coming (that's what she said). Very COoL. Thank you for the video - even if I was a little late to the party :O)

[@beckwil0852]

I want to make this to use to deflect my neighbor’s spotlight that shines into my living room every night, all night. How would I rig that?

[@herrschmidt2734]

Finally someone who doesnt Just put Aluminium foil on a tv antenna

[@mak5968]

Wonder if this can be used to make reflecting telescopes.

[@creepysk7975]

I'd also like to know, I have one plastic mirror but its diameter is way too small (too much curvature) and I can't make shit with it. Did you find a way to make more precise mirror? Thanks

[@epic_playz4283]

Wanted to use it on my homemade scope

[@krishnasahal4706]

Can we make telescope from this

[@nemurishivasai4765]

Bro nice video btw im from India can we make the same thing out of a TV DTH dish or does the sheet should be kept on a flat surface??

[@drgozzard]

Yes. TV dish will work. The GREENPOWER SCIENCE channel has done that and many other variations of this sort of mirror.