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Still Confused About Masks? Here’s the Science Behind How Face Masks Prevent Coronavirus

As states reopen from stay-at-home orders, many, including California, are now requiring people to wear face coverings in most public spaces to reduce the spread of COVID-19.

Both the Centers for Disease Control and Prevention (CDC) and the W…[Leia mais]

Do Air Purifiers Actually Work?

The promise of an air purifier is an enticing one: An appliance designed to cleanse the air in your home, getting rid of all the impurities including odors, smoke, dust, and pet dander. Given the fact that indoor air can have levels of certain pollutants up to five times higher than outdoor air, we get…[Leia mais]

Because N95 masks have been in short supply, the CDC has said they should be reserved for health care providers. Health care providers must be trained and pass a fit test before using an N95 mask. Like surgical masks, N95 masks are intended to be disposable. However, researchers are testing ways to disinfect and reuse them.

Some N95…[Leia mais]

Introduction to Partition Walls:

Partition Walls also called Stud Walls are unloaded walls intended to separate apart within a building, to form an interior room/cabinet, or to separate the laundry area from the rest of the building. Since partitioning walls can be loaded with a roof, therefore, they are built solely for the purpose of…[Leia mais]

An account of an acoustic newbie's journey from bare walls to a well‑balanced, sonically pleasant space.

The physics of the propagation of sound is immensely complicated, and when the assortment of materials that make up the walls, floors and ceiling (plus any windows, doors and furniture) are added to the equation, it's very d…[Leia mais]