Questions with the keyword 'physics'

• Why is a football shaped the way it is by lukas16 to Bev, Posty, Edward, Kate, Nathan . Comments: (No comments so far)
• how Is light a wave or a particle? by leelee1997 to Bev, Posty, Edward, Kate, Nathan . Comments: (No comments so far)
• why/how Is there an upper limit to the energy of a single photon by leelee1997 to Bev, Posty, Edward, Kate, Nathan . Comments: (No comments so far)