These are all great! I'm enjoying watching them and getting some great
addtional ideas :)
Please keep them coming!
Sam
On Wed, December 27, 2017 21:10, Dave Ansell wrote:
> Speaking as someone who has built one and has a plan to build another 12,
> Rubens' tubes take a while to make but are very cool, though drilling
> the holes is a bit dull.
>
> The oven shelf demo is lovely showing sound transfer through air and a
> string.
> https://www.thenakedscientists.com/get-naked/experiments/secret-sounds-ov
> en-shelf
>
> Pyrex in oil is a wonderful quick demo for older children and especially
> adults.
> https://www.thenakedscientists.com/podcasts/science-sporran/oily-invisibi
> lity-cloak
>
> Pointing a spectroscope at flame tests is lovely
>
>
> I could keep going...
> Dave
>
>
>
> On 27 December 2017 at 20:30, Osnat Katz <[log in to unmask]> wrote:
>
>
>> Hi Sam,
>>
>>
>> Speaking as a person who likes shiny demos rather than as a person who
>> builds them, my absolute favourite demo for light/sound is the Rubens'
>> tube, otherwise known as that cool flame tube everyone brings out. I
>> think it's absolutely wonderful.
>>
>> It's also possible to build small light-based theremins out of
>> arduinos, raspberry pis etc where the pitch changes as light levels
>> change. You can find a guide here:
>> https://learn.adafruit.com/adafruit-arduino-lesson-10-
>> making-sounds/pseudo-theramin They're easy to build and incredibly fun
>> to play with. Light harps work on a similar principle and are visually
>> stunning.
>>
>> I hope that helps - and I'll keep picking my brains to see if I can
>> remember other demos I particularly liked.
>>
>> Best,
>>
>>
>> Osnat
>>
>>
>>
>>
>>
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>>
>>
>> On 27 December 2017 at 20:00, Dr Sam Gregson <[log in to unmask]>
>> wrote:
>>
>>
>>> Hi all! Seasons greetings!
>>>
>>>
>>> I hope santa brought you everything you wanted! :)
>>>
>>>
>>> I am working on a short project highlighting interesting demos
>>> related to engineering and specifically light/sound.
>>>
>>> Has anyone seen any demos that particularly excited/inspired them, or
>>> which they found particularly effective? I'd love to hear your
>>> thoughts and ideas if you get a second between the mince pies :)
>>>
>>> Sam
>>>
>>>
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>>
>>
>> --
>> Osnat Katz
>> osnatkatz.com
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