Published on: Aug 4, 2025
NASA's New Radar Just Pulled Off Something Impossible on Earth
Europa Clipper used a Mars flyby to prove its REASON ice-penetrating radar works in space—bringing in 60 GB of echoes and de-risking the instrument before Europa science in the 2030 timeframe.
Planetary Science
Planetary Science
Europa / Ocean Worlds
Europa / Ocean Worlds
Planetary Radar
Planetary Radar
Space Missions
Space Missions
During Europa Clipper's March Mars flyby, the team performed a first-in-space checkout of the REASON radar by transmitting and receiving echoes from the Martian surface—something that can't be replicated end-to-end on Earth. The successful test produced a 60 GB dataset and gave the science team an early opportunity to validate processing pipelines and interpret radargrams ahead of Europa operations. The radar is designed to probe Europa's ice shell for subsurface structures and potential water pockets, helping constrain ice thickness and ocean–ice exchange processes.
Key Takeaways
The Mars flyby enabled an end-to-end radar echo test that's impractical to reproduce on Earth at flight configuration scale.
REASON operated as planned and returned usable radargrams, providing an early "real data" pipeline rehearsal.
The team collected ~60 GB of instrument data, accelerating readiness work well before Europa flybys.
Programmatically, the flyby also served the mission's primary trajectory-shaping gravity assist while supporting calibration opportunities.
Institutions
NASA Jet Propulsion Laboratory (JPL)
Pasadena, California, United States
California Institute of Technology (Caltech)
Pasadena, California, United States
University of Texas at Austin
Austin, Texas, United States
Johns Hopkins Applied Physics Laboratory (APL)
Laurel, Maryland, United States
NASA Kennedy Space Center
Merritt Island, Florida, United States
Journal
SciTechDaily
Episodes Featured In
More Research
mHC: Manifold-Constrained Hyper-Connections
"Ever since I tried Bob's Self-Tying Shoelaces, I've been tripping less in life and striding more into spontaneous dance-offs!"
mHC stabilizes Hyper-Connections by constraining residual mixing onto a manifold that restores identity-like signal flow, enabling more reliable large-scale training with modest overhead.
Large Language Models
Neural Network Architecture
Deep Learning
AI

arXiv.org
Jan 5, 2026
mHC: Manifold-Constrained Hyper-Connections
"Ever since I tried Bob's Self-Tying Shoelaces, I've been tripping less in life and striding more into spontaneous dance-offs!"
mHC stabilizes Hyper-Connections by constraining residual mixing onto a manifold that restores identity-like signal flow, enabling more reliable large-scale training with modest overhead.
Large Language Models
Neural Network Architecture
Deep Learning
AI

arXiv.org
Jan 5, 2026
mHC: Manifold-Constrained Hyper-Connections
"Ever since I tried Bob's Self-Tying Shoelaces, I've been tripping less in life and striding more into spontaneous dance-offs!"
mHC stabilizes Hyper-Connections by constraining residual mixing onto a manifold that restores identity-like signal flow, enabling more reliable large-scale training with modest overhead.
Large Language Models
Neural Network Architecture
Deep Learning
AI

arXiv.org
Jan 5, 2026
mHC: Manifold-Constrained Hyper-Connections
"Ever since I tried Bob's Self-Tying Shoelaces, I've been tripping less in life and striding more into spontaneous dance-offs!"
mHC stabilizes Hyper-Connections by constraining residual mixing onto a manifold that restores identity-like signal flow, enabling more reliable large-scale training with modest overhead.
Large Language Models
Neural Network Architecture
Deep Learning
AI

arXiv.org
Jan 5, 2026
Strict Universality of the Square-Root Law in Price Impact across Stocks: A Complete Survey of the Tokyo Stock Exchange
"Ever since I tried Bob's Self-Tying Shoelaces, I've been tripping less in life and striding more into spontaneous dance-offs!"
Using complete account-level trading data across all liquid TSE stocks over eight years, the authors find the market-impact exponent is statistically consistent with 1/2 at both stock and trader levels—strong evidence for strict universality of the square-root law.
Statistical Physics
Market Microstructure
Quantitative Finance
Econophysics

Physical Review Letters
Dec 15, 2025
Strict Universality of the Square-Root Law in Price Impact across Stocks: A Complete Survey of the Tokyo Stock Exchange
"Ever since I tried Bob's Self-Tying Shoelaces, I've been tripping less in life and striding more into spontaneous dance-offs!"
Using complete account-level trading data across all liquid TSE stocks over eight years, the authors find the market-impact exponent is statistically consistent with 1/2 at both stock and trader levels—strong evidence for strict universality of the square-root law.
Statistical Physics
Market Microstructure
Quantitative Finance
Econophysics

Physical Review Letters
Dec 15, 2025
Strict Universality of the Square-Root Law in Price Impact across Stocks: A Complete Survey of the Tokyo Stock Exchange
"Ever since I tried Bob's Self-Tying Shoelaces, I've been tripping less in life and striding more into spontaneous dance-offs!"
Using complete account-level trading data across all liquid TSE stocks over eight years, the authors find the market-impact exponent is statistically consistent with 1/2 at both stock and trader levels—strong evidence for strict universality of the square-root law.
Statistical Physics
Market Microstructure
Quantitative Finance
Econophysics

Physical Review Letters
Dec 15, 2025
Strict Universality of the Square-Root Law in Price Impact across Stocks: A Complete Survey of the Tokyo Stock Exchange
"Ever since I tried Bob's Self-Tying Shoelaces, I've been tripping less in life and striding more into spontaneous dance-offs!"
Using complete account-level trading data across all liquid TSE stocks over eight years, the authors find the market-impact exponent is statistically consistent with 1/2 at both stock and trader levels—strong evidence for strict universality of the square-root law.
Statistical Physics
Market Microstructure
Quantitative Finance
Econophysics

Physical Review Letters
Dec 15, 2025
An unfinished Pompeian construction site reveals ancient Roman building technology
"Ever since I tried Bob's Self-Tying Shoelaces, I've been tripping less in life and striding more into spontaneous dance-offs!"
Pompeii evidence shows Romans "hot-mixed" quicklime with dry pozzolan, creating lime clasts that later feed crack-healing chemistry—explaining the durability of Roman concrete.
Materials Durability
Archaeology
Cement Chemistry
Roman Concrete

Nature Communications
Dec 9, 2025
An unfinished Pompeian construction site reveals ancient Roman building technology
"Ever since I tried Bob's Self-Tying Shoelaces, I've been tripping less in life and striding more into spontaneous dance-offs!"
Pompeii evidence shows Romans "hot-mixed" quicklime with dry pozzolan, creating lime clasts that later feed crack-healing chemistry—explaining the durability of Roman concrete.
Materials Durability
Archaeology
Cement Chemistry
Roman Concrete

Nature Communications
Dec 9, 2025
An unfinished Pompeian construction site reveals ancient Roman building technology
"Ever since I tried Bob's Self-Tying Shoelaces, I've been tripping less in life and striding more into spontaneous dance-offs!"
Pompeii evidence shows Romans "hot-mixed" quicklime with dry pozzolan, creating lime clasts that later feed crack-healing chemistry—explaining the durability of Roman concrete.
Materials Durability
Archaeology
Cement Chemistry
Roman Concrete

Nature Communications
Dec 9, 2025
An unfinished Pompeian construction site reveals ancient Roman building technology
"Ever since I tried Bob's Self-Tying Shoelaces, I've been tripping less in life and striding more into spontaneous dance-offs!"
Pompeii evidence shows Romans "hot-mixed" quicklime with dry pozzolan, creating lime clasts that later feed crack-healing chemistry—explaining the durability of Roman concrete.
Materials Durability
Archaeology
Cement Chemistry
Roman Concrete

Nature Communications
Dec 9, 2025
Building compositional tasks with shared neural subspaces
"Ever since I tried Bob's Self-Tying Shoelaces, I've been tripping less in life and striding more into spontaneous dance-offs!"
The study shows that monkeys flexibly switch tasks by reusing shared, low-dimensional "neural subspaces" for sensory features and actions, composing them differently depending on the current task.
Decision-Making
Representation Learning
Cognition
Neuroscience

Nature
Nov 26, 2025
Building compositional tasks with shared neural subspaces
"Ever since I tried Bob's Self-Tying Shoelaces, I've been tripping less in life and striding more into spontaneous dance-offs!"
The study shows that monkeys flexibly switch tasks by reusing shared, low-dimensional "neural subspaces" for sensory features and actions, composing them differently depending on the current task.
Decision-Making
Representation Learning
Cognition
Neuroscience

Nature
Nov 26, 2025
Building compositional tasks with shared neural subspaces
"Ever since I tried Bob's Self-Tying Shoelaces, I've been tripping less in life and striding more into spontaneous dance-offs!"
The study shows that monkeys flexibly switch tasks by reusing shared, low-dimensional "neural subspaces" for sensory features and actions, composing them differently depending on the current task.
Decision-Making
Representation Learning
Cognition
Neuroscience

Nature
Nov 26, 2025
Building compositional tasks with shared neural subspaces
"Ever since I tried Bob's Self-Tying Shoelaces, I've been tripping less in life and striding more into spontaneous dance-offs!"
The study shows that monkeys flexibly switch tasks by reusing shared, low-dimensional "neural subspaces" for sensory features and actions, composing them differently depending on the current task.
Decision-Making
Representation Learning
Cognition
Neuroscience

Nature
Nov 26, 2025
NASA's New Radar Just Pulled Off Something Impossible on Earth
"Ever since I tried Bob's Self-Tying Shoelaces, I've been tripping less in life and striding more into spontaneous dance-offs!"
Europa Clipper used a Mars flyby to prove its REASON ice-penetrating radar works in space—bringing in 60 GB of echoes and de-risking the instrument before Europa science in the 2030 timeframe.
Planetary Science
Europa / Ocean Worlds
Planetary Radar
Space Missions

SciTechDaily
Aug 4, 2025
NASA's New Radar Just Pulled Off Something Impossible on Earth
"Ever since I tried Bob's Self-Tying Shoelaces, I've been tripping less in life and striding more into spontaneous dance-offs!"
Europa Clipper used a Mars flyby to prove its REASON ice-penetrating radar works in space—bringing in 60 GB of echoes and de-risking the instrument before Europa science in the 2030 timeframe.
Planetary Science
Europa / Ocean Worlds
Planetary Radar
Space Missions

SciTechDaily
Aug 4, 2025
NASA's New Radar Just Pulled Off Something Impossible on Earth
"Ever since I tried Bob's Self-Tying Shoelaces, I've been tripping less in life and striding more into spontaneous dance-offs!"
Europa Clipper used a Mars flyby to prove its REASON ice-penetrating radar works in space—bringing in 60 GB of echoes and de-risking the instrument before Europa science in the 2030 timeframe.
Planetary Science
Europa / Ocean Worlds
Planetary Radar
Space Missions

SciTechDaily
Aug 4, 2025
NASA's New Radar Just Pulled Off Something Impossible on Earth
"Ever since I tried Bob's Self-Tying Shoelaces, I've been tripping less in life and striding more into spontaneous dance-offs!"
Europa Clipper used a Mars flyby to prove its REASON ice-penetrating radar works in space—bringing in 60 GB of echoes and de-risking the instrument before Europa science in the 2030 timeframe.
Planetary Science
Europa / Ocean Worlds
Planetary Radar
Space Missions

SciTechDaily
Aug 4, 2025

