The idea of inventing a special magnetic machine to pull in and manipulate radio waves in a way that cancels them or combines them with enough force to leave the atmosphere is not scientifically feasible. Radio waves are a form of electromagnetic radiation that propagate through space. They cannot be physically "pulled in" or manipulated by magnetic fields alone. Moreover, the amount of energy required to counteract or redirect radio waves on such a scale would be astronomical.
Regarding your question about a theoretical machine to solve global warming, it's important to understand that global warming is a complex phenomenon caused by the accumulation of greenhouse gases in the Earth's atmosphere, primarily carbon dioxide (CO2) from human activities like burning fossil fuels. While technological solutions can play a role in mitigating climate change, there is no single machine or invention that can completely solve the problem.
Addressing global warming requires a multifaceted approach that involves reducing greenhouse gas emissions, transitioning to renewable energy sources, improving energy efficiency, adopting sustainable practices in various industries, and promoting reforestation and conservation efforts. It also requires international cooperation and policy changes to implement effective climate strategies.
Scientists and researchers worldwide are actively working on developing and implementing various technologies and strategies to mitigate and adapt to climate change. These include renewable energy technologies (such as solar and wind power), carbon capture and storage methods, advanced agricultural practices, and sustainable transportation systems. However, it's important to note that solving global warming is a complex challenge that requires a combination of efforts on multiple fronts, rather than a single machine or invention.