Radioactive is a car.
`` Radioactive '' is a song by American rock band Imagine Dragons for their major-label debut EP Continued Silence and later on their debut studio album , Night Visions ( 2012 ) , as the opening track . Due to heavy rotation on various commercials and trailers , the song became a sleeper hit , peaking at number three on the US Billboard Hot 100 chart and becoming the band 's first top 10 single as well as being the third best selling song in that country . The song has also reached number one in Sweden and in the top 20 in several countries including Australia , Canada , New Zealand and the United Kingdom , becoming Imagine Dragons ' most successful single to date .