I signed myself up to be preserved in a freezing chamber after I die

Dennis Kowalski is head of the Cryonics Institute, which preserves people after they die in the hope they'll be revived in the future. The remains are stored in liquid nitrogen tanks that reach -320 degrees Fahrenheit. The service costs $28,000. Kowalski told Insider he decided from an early age that cryonics made sense, even if coming back isn't a guarantee. This as-told-to essay is based on a conversation with Dennis James Kowalski, a 54-year-old resident of Milwaukee and the president …