A large crop of 2023 vintage frozen brambles being prepped for use in #Gardenindicators talk that AngusAlchemist and I will do on Friday.

Butterfly pea tea doing its thing. #GardenIndicators

It has been a while, but another #Gardenindicators video is now ready. This one shows a cheap and cheerful way to extract blackberries, works for raspberries too. youtu.be/HIV1Tgpa1-g?si…

From blister pack to 6 litre flask. Could this be the world's largest Shinoda test? (scaled up gradually, of course) Rehearsal/emergency video for Iain Smellie's recent  anthocyanin lecture, we had to make sure it was visible from the back of the room. 😇 x.com/AlchemistAngus…

After more than 1 year, our home grown crystal of alum is getting really big! And a pure beauty! It is a mix of potassium alum KAl(SO₄)₂ and chrome alum KCr(SO₄)₂, but...

In case you're triggered by the word "inflammable", don't worry, it's perfectly safe for you to read this warning sign at a UK supermarket's petrol station.

What did you do at school today? I made purple. This is phenoltetrabromophthalein in alkaline solution. Permanganate vibe. 💜

Behold the Lenz's Law Guillotine demo! youtube.com/shorts/NMz7Ua5…

Has the IRN come out of my BRU? Sadly not, it's only silver. #Tollens

Regretting not buying this, it was the last in stock.

Did I see oxygen gas in Fireworks? 😲🎇 #chemistry #physics #stemeducation youtube.com/shorts/VtQYNdV…

Windfall. These begonia flores didn't weather Storm Floris. The yellow carotenoid pigments were not water soluble, the red anthocyanins were. The orange turned out to be red + yellow, as yellow remained after the red component was extracted into hot water. More later...

After a thorough cleaning my miner's carbide lamp came back to life! Hooray #Acetylenechemistry 🔥

Inherited this today. An example of the astrophysicist definition of metal...