I have worked as a tech for a long time now - I can honestly say I have never bought a sheeps head on an impulse :D or had a thought to scoop out the eyeballs. :shocked: whats wrong with you :laughing::laughing:. Same goes to sawing the heads open!
Luckily for us our local butchers supply them...
How do you prepare in a microwave? I always use a pressure cooker but it takes ages so I'm looking for an easy way to bulk it up to say 1L. How long does it take in a microwave - does it not boil over everywhere?
We are looking to get some (preferably lighter) variable resistors in, we have some archaic rheostats which dont work particularly well. I was looking at these
Would these be suitable for general classwork?
What would be the best size to get please? 470 ohms, 1K ohms, 5K ohms, 10K ohms...
The plastic bottles which the acid is supplied in are not designed for long term storage. I'm sure that this was raised by CLEAPSS in recent years? we transfer our conc acid into a glass bottle on arrival into school.
We are looking at having the Airone 1000X ducted fume cupboard fitted into our new lab - does anyone have any experience of this fume cupboard?
I have gone through the cleapss guide and this model was listed as satisfactory so I am hoping it will be a good choice.
we bought the roll of paper years ago and havent made a dent in it yet. always works for us - cut a piece about 10cm long and fold it into a cuboid with a good overlap. Never fails :thumbsup: such fun!