Fifteen miles above you, a small styrofoam box is shrieking into the void. Its voice is binary—relentlessly transmitting temperature, pressure, and wind speed from the freezing stratosphere. In two ...

Ed.: We'd also like to recognize co-author V. Sambasiva Rao, Director, Centre for Research in Space Science and Technology, PES University, Bengaluru, India, and Professor, ECE Department of PES ...