>
Watch Live: President Trump and UK PM Hold Joint Press Conference
JUST IN: President Trump, JD Vance, Tucker Carlson, Trump Admin Officials...
Fugitive Vaccine Researcher Behind Infamous "No Autism Link" Study ARRESTED...
A stable father figure is essential for raising mature citizens
This "Printed" House Is Stronger Than You Think
Top Developers Increasingly Warn That AI Coding Produces Flaws And Risks
We finally integrated the tiny brains with computers and AI
Stylish Prefab Home Can Be 'Dropped' into Flooded Areas or Anywhere Housing is Needed
Energy Secretary Expects Fusion to Power the World in 8-15 Years
ORNL tackles control challenges of nuclear rocket engines
Tesla Megapack Keynote LIVE - TESLA is Making Transformers !!
Methylene chloride (CH2Cl?) and acetone (C?H?O) create a powerful paint remover...
Engineer Builds His Own X-Ray After Hospital Charges Him $69K
Researchers create 2D nanomaterials with up to nine metals for extreme conditions
Low-earth orbit systems need complex software to run constellations of satellites and sophisticated antennas on the ground to aim at spacecraft zooming from horizon to horizon. Costs quickly overwhelm savings from building smaller gear.
Boeing is seeking approval for 60 satellites
OneWeb has FCC permission to serve the U.S. market using 720 satellites authorized by the U.K.
SpaceX's plan calls for 4,425 satellites, but it also has applied for an additional 7,518.
Two dozen ventures are raising money in an effort to fund global satellite networks.
Satellites in low-earth trajectories operate 200 to 1,200 miles above Earth and orbit it roughly every 90 minutes. Traditional communications satellites operate much higher, at an altitude of about 22,000 miles.
The LEO satellites will need to be massed produced cheaply and replaced every 4-5 years.