Now I’m wondering whether you could fire sonar pings through the ice and transmit data using an acoustic sonar modem. Then the ice-melting probe could be comple

Now I’m wondering whether you could fire sonar pings through the ice and transmit data using an acoustic sonar modem. Then the ice-melting probe could be completely untethered. It would be a profoundly unfriendly probe though: a hot radioactive ball emitting ultra-loud pulses. We would have to attach an apology note.