Space & Time Articles

• Mathematics
  Computer Modeling
  Mathematical Modeling
  Computational Biology
  Space Station
  NASA
   
  

  Hyperbolic geometry

  In mathematics, hyperbolic geometry is a non-Euclidean geometry, meaning that the parallel postulate of Euclidean geometry is rejected. The parallel postulate in Euclidean geometry states, for two ... > more
• Sports Science
  Vehicles
  Aviation
  Space Probes
  Space Exploration
  Space Station
   
  

  Model rocket

  Model rocketry is a hobby similar to building model airplanes. In the hobby today, there are two distinct areas of rocket activity: amateur (or experimental) rocketry, and model rocketry (including ... > more
• Drought
  Agriculture and Food
  Nature
  Soil Types
  Invasive Species
  Veterinary Medicine
   

  Drought

  A drought or an extreme dry periodic climate is an extended period where water availability falls below the statistical requirements for a region. Drought is not a purely physical phenomenon, but ... > more

Search ScienceDaily