The Invisible War in Ukraine Being Fought Over Radio Waves
Posted inComputers and the Internet Defense and Military Forces Drones (Pilotless Planes) International Relations Pilots Radio Russian Invasion of Ukraine (2022) Sensors Start-ups Ukraine Wireless Communications

The Invisible War in Ukraine Being Fought Over Radio Waves

Using electromagnetic waves to flummox and follow smarter weapons has become a critical part of the cat-and-mouse game between Ukraine and Russia. The United States, China and others have taken note.
Covid Closed the Nation’s Schools. Cleaner Air Can Keep Them Open.
Posted inColorado Coronavirus (2019-nCoV) Coronavirus Risks and Safety Concerns Denver (Colo) Disease Rates Education (K-12) Environment Global Warming Heat and Heat Waves Heating, Ventilation and Cooling (HVAC) Infections Medicine and Health Pollution Research Sensors Shutdowns (Institutional) State College (Pa) Viruses Weather Wildfires Workplace Hazards and Violations

Covid Closed the Nation’s Schools. Cleaner Air Can Keep Them Open.

Scientists and educators are searching for ways to improve air quality in the nation’s often dilapidated school buildings.
When Trains Block a Road, Local Officials Have Few Options
Posted inBridges and Tunnels Elkhart (Ind) Federal-State Relations (US) Freight (Cargo) Infrastructure (Public Works) Law and Legislation Local Government Norfolk Southern Corporation Olathe (Kan) Railroads Regulation and Deregulation of Industry Roads and Traffic Salt Lake City (Utah) Sensors Springfield (Mass) States (US)

When Trains Block a Road, Local Officials Have Few Options

The federal government has begun offering $3 billion for bridges and tunnels, but many local governments say they cannot take advantage of the money.