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.
The Fire Stick is Amazon's answer to Google's device and what an answer it is. The Fire TV Stick is petite and powerful. It fits flush with most TV's HDMI ports and, unlike its main competitor Chromecast, comes with a fairly decent remote. In terms of content, you'll find just about everything here.