The weekend happened and so did my first Maker Faire of the year. The UK Maker Faire 2015, held at the Newcastle Centre for Life . With nearly 120 makers it's one of the biggest of the year but it somehow felt smaller than last years. The busy/quiet waves we experienced in the back room allowed us to have decent chats with public and other makers and there are a few new collaborations in the pipeline. So it looks like I didn't take a decent photo of the Ping Pong Ball cannon, but I do have one of the test videos. It was a very simple design, a large air extractor was used to blow balls up the barrel, venturi effect ensured that balls were sucked in at the bottom of the barrel. The hopper was just a long line of balls ensuring that the cannon was fed quickly and efficiently. We did a quick test on Friday, letting off 65 balls in 10 seconds and racking up a high score. The other entrant managed to get off 3 balls in the 30 second time period and scored nearly as hig...