Satellites are generating tonnes of data in space. Beaming it back to earth is a problem

Humans have put machines on Mars. But they have to wait for 4-21 minutes for a message to just reach Earth from there — some grocery delivery services are faster. A Bengaluru-based startup is developing a technology that could bridge such communication gaps in space. The reason it takes a long time for messages to be transmitted across space is because we still use radio signals. To speed up transmission, several space agencies are