9600n81
9600n81 t1_j9uldm1 wrote
Reply to ELI5: Why is it to reach space we can't simply fly an airplane there I need to use rockets? by [deleted]
The clue's in the name: airplanes need air for lift and to run their engines. There is no air in space.
Rockets don't need air, they get their lift from their rocket engines which carry their own fuel-oxygen mixture.
9600n81 t1_iy7hzqa wrote
Reply to comment by indy_cision in Eli5 why do traffic lights have red, yellow and green color? Why not use other colors so that even colourblind people can drive. by [deleted]
Get an eye test or give up your licence.
9600n81 t1_iy4aryb wrote
Reply to comment by indy_cision in Eli5 why do traffic lights have red, yellow and green color? Why not use other colors so that even colourblind people can drive. by [deleted]
Red is at the top.
If you're close enough to a light that you have to obey it but can't distinguish the top from the bottom you've got bigger sight problems than colour blindness and probably shouldn't be driving at all.
9600n81 t1_jcu4wr2 wrote
Reply to ELI5: How do we end up with politically biased newspapers? by cur-o-double
Rich people buy the newspaper company. The owner of the company gets to dictate editorial policy.