So-called Rayleigh–Bloch waves can release an enormous amount of energy that can damage technical systems under certain circumstances. They only exist below a precisely defined cut-off frequency ...

Editor's note: Boom Supersonic successfully broke the sound barrier with the XB-1 today in a major milestone. Read our coverage here. Boom Supersonic plans to break the sound barrier during a test ...

After years of testing and refinement, a pilot flying the aerospace company’s XB-1 scale prototype finally broke the sound barrier during a livestream event—not once, not twice, but three times.

When converted to audio, the chorus waves resembled the sound of birds chirping at dawn. Richard Horne, a space weather expert with the British Antarctic Survey, called the findings “a ...

Scientists have detected strange chirping waves — which resemble the dawn chorus of birds — thousands of miles from Earth, and they could pose big problems for future spaceflight. Chorus waves ...

(NASA via AP) NEW YORK (AP) — Scientists have detected cosmic waves that sound like birds chirping in an unexpected place. These bursts of plasma, called chorus waves, ripple at the same frequency as ...

Then click OK. The picture becomes transparent. There is another method that you can use to make your picture transparent. Click the picture. Yes, the PNG format supports transparency. In ...

Simply right-click on the Background layer and click on the Delete Layer option. In a similar manner, add multiple layers that you want in your output GIF. If you want to import some transparent ...