Butterfly Effect Can Double Travel of Virus-Laden Droplets
WASHINGTON, June 29, 2021 — Computer simulations have been used with great success in recent months to visualize the spread of the COVID-19 virus in a variety […]
Fuel Flow, Heat Fluctuations Drive Dangerous Oscillations in Rocket Engines
WASHINGTON, June 22, 2021 — Combustion engines can develop high frequency oscillations, leading to structural damage to the engines and unsafe operating conditions. A detailed understanding of […]
Tree Pollen Carries SARS-CoV-2 Particles Farther, Facilitates Virus Spread
WASHINGTON, June 22, 2021 — Most models explaining how viruses are transmitted focus on viral particles escaping one person to infect a nearby person. A study on […]
First Wave COVID-19 Data Underestimated Pandemic Infections
WASHINGTON, June 22, 2021 — Two COVID-19 pandemic curves emerged within many cities during the one-year period from March 2020 to March 2021. Oddly, the number of […]
Normal Breathing Sends Saliva Droplets 7 Feet; Masks Shorten This
WASHINGTON, June 9, 2021 — The World Health Organization and the Centers for Disease Control recommend keeping a certain distance between people to prevent the spread of […]
Box Fan Air Cleaner Greatly Reduces Virus Transmission
WASHINGTON, May 11, 2021 — Improved ventilation can lower the risk of transmission of the COVID-19 virus, but large numbers of decades-old public school classrooms lack adequate […]
Surfaces Can Be Designed with Antiviral Properties to Mitigate COVID-19
WASHINGTON, May 4, 2021 — If a respiratory droplet from a person infected with COVID-19 lands on a surface, it becomes a possible source of disease spread. […]
Forensics Puzzle Cracked via Fluid Mechanical Principles
WASHINGTON, April 20, 2021 — In 2009, music producer Phil Spector was convicted for the 2003 murder of actress Lana Clarkson, who was shot in the face […]
Stone Skipping Techniques Can Improve Reentry of Space Vehicles
WASHINGTON, April 20, 2021 — Skipping stones on a body of water is an age-old game, but developing a better understanding of the physics involved is crucial […]