Well not really a new way, I used to add copper filings to glue to repair those stick on rear windscreen heaters.This looks interesting and could be good fun as well as practical.https://www.youtube.com/watch?v=PYWvc6LZy1s&feature=youtu.be
That looks great!I wish it had been around when I was teaching.
Did London have electricity when you were teaching?
Yes! and indoor toilets!!!!
How the other half live
No indoor boys toilets at my secondary school.They were a trudge out the back and a brick built 'bunker' with no roof. The urinals would freeze solid in cold weather and the floor got thicker and thicker with ice.I wonder if Ron Wood has similar memories when he's playing at Hyde Park and Glastonbury?
And we never had cups - we used to have to drink out of a roll of newspaper.
OK then. All together now.......NEWSPAPER! You were lucky. We only had (insert your own ......)