How to Shorten the Time to Treat TB

Modern weather balloons carry instruments to measure atmospheric pressure, temperature, humidity and wind speed. They're released routinely from 900 to 1300 locations around the world two to four times a day. NASA used multiple types of balloons to lift scientific payloads into the atmosphere as a low-cost way to take measurements over long durations. So while the rich history of ballooning does feature a strong scientific heritage, you can see why the multiple antenna US officials say they found, attached to the suspected Chinese surveillance balloon has raised a few eyebrows.