Stephen Hawking's 103rd Tweet

Just spent the day explaining black holes to a group of confused undergrads. I swear, it's not as complicated as it sounds. #BlackHolesAreLikeTheInLaws

Related Links:

• ประก 104th tweet, where I explain why the universe is like my aunt
• My 102nd tweet, where I compare the laws of physics to a bad haircut
• My 101st tweet, where I reveal the secret to time travel: just wear more layers

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Don't try this at home, kids. Trust me, I've tried it.