Breaking News
"World's most power dense" electric motor obliterates the field
Robot metabolism: The next evolution of our overlords?
Trump's $1 trillion AI data center boom strains Texas grid -- nuclear power eyed as solution
OpenAI ChatGPT Agent for Tool Use, Shopping and Other Activity
Top Tech News
The Wearables Trap: How the Government Plans to Monitor, Score, and Control You
The Streetwing: a flying car for true adventure seekers
Magic mushrooms may hold the secret to longevity: Psilocybin extends lifespan by 57%...
Unitree G1 vs Boston Dynamics Atlas vs Optimus Gen 2 Robot– Who Wins?
LFP Battery Fire Safety: What You NEED to Know
Final Summer Solar Panel Test: Bifacial Optimization. Save Money w/ These Results!
MEDICAL MIRACLE IN JAPAN: Paralyzed Man Stands Again After Revolutionary Stem Cell Treatment!
Insulator Becomes Conducting Semiconductor And Could Make Superelastic Silicone Solar Panels
Slate Truck's Under $20,000 Price Tag Just Became A Political Casualty
Wisdom Teeth Contain Unique Stem Cell That Can Form Cartilage, Neurons, and Heart Tissue
DARPA Laser radar can see wind 8.6 miles away and enables permanent balloons
They are testing a wind sensor to detect changes in wind speed and direction from large distances. This is part of the Adaptable Lighter-Than-Air (ALTA) balloon program. The balloons can change altitude and position to stay in one spot.
DARPA balloons could provide secure communications and navigation or act as a mother ship for drones.
Ball Aerospace has built the Stratospheric optical autocovariance wind lidar (StratOAWL) device.
OAWL shines pulses of laser light into the air. A small fraction of the beam is reflected back, and the reflected laser light is gathered by a telescope. The wavelength of the reflected light is changed slightly depending on how fast the air it bounced back from is moving, a change known as doppler shift. By analyzing this shift, OAWL can determine the speed and direction of the wind.