Blu-ray discs and DVDs are two different optical disc formats that are both used to store video and audio content. Blu-ray discs are a newer format that offer higher storage capacities than DVDs. While DVDs can be played on Blu-ray players, Blu-ray discs cannot be played on DVD players.

Blu-ray discs use a blue-violet laser to store data, while DVDs use a red laser. The blue-violet laser has a shorter wavelength than the red laser, which allows it to store more data on a disc. This is why Blu-ray discs can store more data than DVDs.

Blu-ray players use a …