William Close is getting ready to string a skyscraper. As the inventor of the Earth Harp, which holds the Guinness World Record for being the longest stringed instrument, it’s a task he knows well.

William Close tells the crowd at City National Plaza that he's still figuring out the logistics of his latest Earth Harp. Over the years, the Malibu-based artist has built a number of these large, ...

You know, we hadn’t realized how tired we were of vertical laser harps until we saw [Jonathan Bumstead]’s entry into the 2019 Hackaday Prize. It’s all well and good to imitate the design of the ...