Ever wonder what Metallica's 'Nothing Else Matters' would sound like completely stripped down and played on electric harps by a set of blonde twins? We sure have! And after years of patiently waiting, ...

We aren’t sure if you really need lasers to build [HoPE’s] laser harp. It is little more than some photocells and has an Arduino generate tones based on the signals. Still, you need to excite the ...