Questions with the keyword 'speed'

• Lets say your travelling at the speed of light in your car. What happens when you turn on the headlights? by msummers and 1 other. to Amy, Drew, Julia, Kimberley, Sara Comments: (So far, one comment )
• I read somewhere that if a star went supernova near earth then we wouldn’t see its devastation spreading towards us by bridget to Amy, Drew, Julia, Kimberley, Sara Comments: (No comments so far )
• I think everything in space is always moving, so if we say something on Earth is ‘stationary’ then technically it is by lolmartsecurity to Sara Comments: (No comments so far )
• I have heard that one idea for renewable energy is collecting the energy it would take to compress a speed bump. Do you by cspooner to Amy, Drew, Julia, Kimberley, Sara Comments: (So far, one comment )