SAFETY WARNING It is important that you watch/read ALL the guidance for a particular experiment BEFORE starting and are confident you can undertake, so, please review the guidance and if you have any questions, please ask before you start.

Why all of this? we try our best to prove safe and interesting experiments people can explore. Most people understand the safety issues involved, but some don’t or won’t, and spoil the experience.Thank you in advance for your patience and understanding.