Is radium still used today?

As a cryptocurrency and finance practitioner, I'm often asked about the latest trends and developments in our field. But today, I'm curious about a rather unconventional topic: Is radium still used today? I'm not referring to its historical uses in medicine or radiography, but rather any contemporary applications. Given its radioactive properties, it seems logical that its use has declined significantly over the years. However, with advancements in science and technology, could there be a niche market or specialized field where radium still finds a purpose? Or has it truly become a relic of the past, with no practical use in today's world? I'm keen to learn more about this intriguing element and its potential modern applications, if any.