This latest accomplishment joins the company’s previously secured ASTM certifications, enhancing the features and expanding the end-uses for its microalgae-based bio-cement and bio-concrete. BOULDER, ...

The design halves the width of material needed to absorb low-frequency noise, making it practical for real-world applications ...

A LARGE number of aqueous solutions of electrolytes have been investigated for frequency-, concentration- and temperature-dependence of their absorption of sound in the frequency-range 8 kc./s. to 15 ...

Science Progress commissions world authorities to contribute articles on the most interesting, important and meaningful topics - ranging from cosmology to the environment, and publishes occasional ...

If you've ever lived in an apartment building or stayed in a hotel room, you are probably familiar with the inconvenience of inadequate sound absorption. Acoustic absorption refers to the absorption ...