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/-/https/www.sciencebuddies.org/cdn/Files/21464/5/sb-logo.png){kind=logo}
Image Credit
/-/https/www.sciencebuddies.org/cdn/Files/13314/7/measure-straw-for-hygrometer-pointer.jpg)
Description:
Straw laying on a wooden panel parallel to the long side of the panel. The straw is a few centimeter shorter than the panel.
Source:
Sabine De Brabandere, Science Buddies
License:
Science Buddies
/-/https/img.youtube.com/vi/JkFkUTxMkCk/0.jpg)
/-/https/img.youtube.com/vi/tTPIdqicIC0/0.jpg)
/-/https/img.youtube.com/vi/lyvWd-TqqLI/0.jpg)