The triangle is a small instrument made of a metal rod bent into a triangle shape that is open at one corner. While small, its sound is distinct, with multiple overtones and nonharmonic resonance. But ...

We are big fans of wireless speaker systems like the Triangle Capella. If done well, they deliver the performance of good, carefully matched separates hi-fi but in a neater, more convenient package.

For the triangle, researchers captured proof that resonance occurs even with the notched, open corner, and it may occur in other instrument shapes as well. WASHINGTON, May 6, 2025 – The triangle is a ...