科学与环境
Drone-based AI system tracks cattle growth without stressful trips to scales
来源: Phys.org - latest science and technology news stories · 发布于

In beef cattle production, determining the ideal time to sell makes all the difference in a producer's costs. This is because, once an animal reaches its natural growth limit, it stops gaining weight significantly. From that point on, every additional day in a feedlot means spend
In beef cattle production, determining the ideal time to sell makes all the difference in a producer's costs. This is because, once an animal reaches its natural growth limit, it stops gaining weight significantly. From that point on, every additional day in a feedlot means spending money on feed without gaining meat in return.
相关报道
India increases growth forecast for fiscal year
India's Ministry of Finance has increased its growth forecasts for the current fiscal year. But it also warned about inflation, particularly for fuel and energy, amid continued instability in the Middle East.
World | Deutsche Welle ·

'An annoying buzz': The search for stealthier drones
As drone deliveries become more commonplace, their makers are looking for ways to make them quieter.
feeds.bbci.co.uk ·

UTe₂ reveals two flavors of superconductivity under extreme pressure
Quantum researchers are searching for a topological superconductor—a material that, if discovered, would allow major advances in quantum computing by combining two distinct "flavors" of superconductivity.
Phys.org - latest science and technology news stories ·

Crop diversification protects fields from extreme weather and boosts productivity
Varying crop rotations and keeping the soil constantly covered with vegetation help protect crops against droughts and floods, in addition to increasing productivity. This technique was tested in Rio Grande do Sul state, Brazil, by researchers from the Center for Carbon Research
Phys.org - latest science and technology news stories ·

A decade of carbon dioxide data from space gets an upgrade
Every day, two NASA space instruments known as the Orbiting Carbon Observatory-2 and -3 (OCO-2 and OCO-3) capture more than a million observations of sunlight reflecting off Earth's surface. Using the physics of how light travels through the air, an algorithm converts these raw d
Phys.org - latest science and technology news stories ·