If hydrogen were to replace fossil fuel entirely, the researchers estimate that 60 to 120 trillion grams of hydrogen would be released each year into the atmosphere, assuming a 10-to-20-percent loss rate due to leakage.
The Fire TV can have a wired connection, the Fire TV Stick is wireless only. The Fire TV has Dolby Digital Plus & 5.1 surround sound, the Fire TV Stick is Dolby Digital Plus only. The Fire TV can do all Amazon games including hi-res video games, the Fire TV Stick only has a limited set of games it will play.
If you have a 4K TV, the Fire TV box will help you get the most out of it. This device supports a variety of apps in full UHD resolution, including heavy hitters like Amazon Video, Netflix and YouTube. The Fire TV Stick, on the other hand, caps out at a full HD resolution of 1080p. While the Fire TV box will work with full HD machines, and the Fire TV Stick will work with UHD machines, you should probably get the one that's optimized for your TV's display.