Paignton Library STEM Group

STEM Group 9th March 2024

The next Stem group event will take place on :

Date: Saturday, March 9th 2024 Time: 10:30am to 15:00 Location: Paignton Library and Information Centre Room: 12

What is planned

  • Robot car demo
    • or at least carry on working on this
  • Update from Helen
  • DNA sequence model
    • Will also have models of the 4 nucleobase molecules.
  • Lego WeDo (depends on volunteer help)
  • Chemistry (depends on time)

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Making V6 Engine Using Magnets

I found this while looking for a video on how to build a simple car driven by a DC motor. This looks pretty cool and would be interesting to perhaps have a go at building at STEM group.


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Robot car ideas

I have some more bits to build small motor driven vehicles. There are lots of nice ideas for little cars on YouTube. For example.


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STEM Group 24th February 2024 Write Up

Today we had an update from Helen with her Advanced Lego car, this is going really well and can find objects and now turns to avoid them. It can also display information on orientation on a small LCD.

feb 24th

After giving the hot glue gun a quick clean and repair. This photo is posed as the glue gun is still plugged in.

feb 24th

We carried on with building the cars, we have been trying to build for the last few sessions. The main issue is lack of suitable resources and having to use bottle tops for wheels, kebab sticks for axels and then trying to fit it all together, when we also have either faulty or unsuitable switches, some don't work properly,, and along with motors have been soldered up too many times.

feb 24th

I also checked on my Copper Sulfate crystals I started last week, the liquid has now evaporated leaving some crystals in the dish, not ideal, but I need a much better way to do all this.

feb 24th

Next event

Saturday 9th March 2024

Tags

#PaigntonLibrarySTEMGroup,#STEM,#Event


#PaigntonLibraryStemGroup,#Science.#Technology,#Engineering,#Mathemetics

positronium

Positronium is a particle that has no actual nucleus, but has a positive (positron) and negative (electron) particle. The positron is antimatter as it has the opposite charge to an electron, which is negatively charged.

Scientists have found a way to freeze the particle with lazers, which will allow further study.

You can read a little more on the BBC Website. While the research was published in Physical Review Letters.. Article can be found here

Tags

#Physics,#Letters,#Research,#Electron,#Antimatter,#Positron,#Positronium


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Bogus science

Bad science is now becoming a real concern for the science community, This Fediverse post gives an idea of the issues involved.

To make things worse, we now have AI producing total nonsensical science.

Very worrying as science needs to be trusted, and the peer review process needs to be robust to maintain that trust.

Links

Tags

#Science,#Trust,#PeerReview


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STEM Group 24th February 2024

The next Stem group event will take place on :

Date: Saturday Feb 24th 2024 Time: 10:30am to 15:00 Location: Paignton Library and Information Centre Room: 12

Please remember you need to bring your OWN resources such as wire, solder, glue sticks, components etc.

We can carry on with :-

  • Robot car projects
  • Have a look at the results of dropping a gummy sweet in to Vinegar
  • Hopefully have a look at some Copper Sulfate crystals, I set this up on 17/2/2024
  • What ever else people bring along to the event.
  • Coding activities can still take place in the IT learning centre

Video

Tags

#PaigntonLibrarySTEMGroup,#STEM,#Event


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Stem group experiment – follow up 1

17/2/2024

So today I was at the library to sort out a few things in prep for next week. I took some fresh red cabbage indicator in and tested the liquid from yesterday

Gummy sweet 2

The red colour of the indicator suggests that the solution is still acidic.

indicator chart

16/2/2024

Stem group experiment

At the last STEM group meeting on 10/2/2024. I dropped a gummy sweet in to a beaker of White Vinegar. Nothing happened at first, so I just left this in the cupboard.

Dropping in today to pick some resources up, I checked and the sweet had dissolved.

Gummy sweet1

The yellow colour reflects the colour of the sweet dropped in.

At the next meeting on the 24th, I will look at this more and see if the pH of the liquid is different.

Tags

#Stem.#Science.#Chemistry,#Vinegar,#GummySweet,#Dissolve

16/2/2024

At the last STEM group meeting on 10/2/2024. I dropped a gummy sweet in to a beaker of White Vinegar. Nothing happened at first, so I just left this in the cupboard.

Dropping in today to pick some resources up, I checked, and the sweet had dissolved.

Gummy sweet1

The yellow colour reflects the colour of the sweet dropped in.

At the next meeting on the 24th, I will look at this more and see if the pH of the liquid is different.

Tags

#Stem.#Science.#Chemistry,#Vinegar,#GummySweet,#Dissolve


#PaigntonLibraryStemGroup,#Science.#Technology,#Engineering,#Mathemetics

Stem group experiment

At the last STEM group meeting on 10/2/2024. I dropped a gummy sweet in to a beaker of White Vinegar. Nothing happened at first, so I just left this in the cupboard.

Dropping in to day to pick some resources up, I checked and the sweet had dissolved.

Gummy sweet1

The yellow colour reflects the colour of the sweet dropped in.

At the next meeting on the 24th, I will look at this more and see if the pH of the liquid is different.

Tags

#Stem.#Science.#Chemistry,#Vinegar,#GummySweet,#Dissolve


#PaigntonLibraryStemGroup,#Science.#Technology,#Engineering,#Mathemetics

STEM Group Robot Lego Car

Video of the basic robot Lego car project from the STEM group. Thank you to Helen for building this from one of our kits.

Video

Tags

#PaigntonLibrarySTEMGroup,#STEM


#PaigntonLibraryStemGroup,#Science.#Technology,#Engineering,#Mathemetics