Pulley efficiency is a bit of a misleading concept for us, as it's possible to make a very efficient pulley wheel with a really small...

A bit too old to have made many Memes so hope this works!

Dear UK Caving community, My name is Dan Hartley and I’m a filmmaker who was raised in Austwick in the North Yorkshire Dales but now...

I can’t comment on the op specific subject matter but honestly when in the last 30 years or more has a caving hut been a place to expect...

I didn't want to say anything here because I would rather have dealt with this matter privately, but since the topic keeps popping up &...

The Internet can be used to communicate things over distances exceeding 90 miles these days, and in real time! And I'd say that...

I've never seen this man before in my life.

Night at the BPC.

Letting frhsers rigure out hauling is going well

Thanks for all the guesses - lots of interesting answers and thought gone into it :-) I am sure you are all on the edge of your seat to...