Hong Kong Free Press on MSN10d
Use step platforms, NGO says after Hong Kong worker dies following fall from wooden ladder
A Hong Kong labour group has called workers to use step platforms after a worker died following a fall from a wooden ladder.
Hackaday4y
A Tiny Jacob’s Ladder You Can Build At Home
The build starts with a basic high-voltage step-up kit that turns 4V DC into 15 kV at the output. At this voltage level, it’s possible to generate an arc in air. To create the Jacob’s ladder ...