Wikipedia:Reference desk/Archives/Science/2019 May 9

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May 9

Gallery of all species in a genus

I have a picture of a fern which supposedly belongs to the genus Blechnum. Is there an online gallery of images that includes all Blechnum species? Is there a website that arranges images of plants into genus-based galleries? Surtsicna (talk) 15:32, 9 May 2019 (UTC)

I don't know of any galleries off-hand, but there have been multiple attempts to build apps that serve to identify plants based on their leaves. There's a recap here that may point you to a useful tool. More stuff is outlined at Automated species identification. (I understand none of that answers your literal question; I'm assuming that you're asking for a gallery in order to identify the plant in question). Matt Deres (talk) 19:41, 9 May 2019 (UTC)

• PetScan can be useful here. Use the thumbnails option. Andy Dingley (talk) 21:05, 9 May 2019 (UTC)

Acoustic stringed instrunents

How , exactly, is the energy of the vibrating string transmitted to the body of the instrument? Ie, how does the bridge transmit the string vibrations to the body? There is no info I can find on this in wikipedia, and very very little else where on the web. 86.8.200.249 (talk) 22:42, 9 May 2019 (UTC)

Reflectance and Transmittance of a Yielding String Termination, which is a subchapter of the book we were discussing earlier.

Here's Tone Tips: Bridges from Gibson, a major guitar brand.

Nimur (talk) 00:01, 10 May 2019 (UTC)

Ah yes. That's more like it. I shall study. Thabks!

86.8.201.25 (talk) 10:58, 10 May 2019 (UTC)