Hank and Michael Meet an Alien: SciShow Talk Show #4

TL;DR

In this SciShow Talk Show episode, Michael tries to stump Hank with a question about communication faster than the speed of light, and Jessie introduces a prehensile-tailed porcupine named Kemosabe.

Transcript

[Hank] Hello and welcome to the SciShow Talk Show. Today I'm here with my special guest, Michael Aranda. [Michael] I don't know which camera I'm waving at so... [H] That one. Today, we are going to be talking about an interesting little bit of science peculiarity and also, we are going to meet the coolest animal that has ever existed ever. [M] I'm ... Read More

Key Insights

• 🙂 Communication faster than the speed of light using a long pole is impractical due to cost and the challenge of maintaining its orientation through celestial movements.
• 😤 Prehensile-tailed porcupines have a unique nose used for smelling, vocalize to communicate, and possess adaptations for living in trees.
• 💀 Porcupine quills can be a significant danger to animals that cannot remove them without opposable thumbs.

Questions & Answers

Q: Can communication be faster than the speed of light using a long pole between the Earth and Moon?

While theoretically possible, it is impractical due to the high cost and difficulty of maintaining the pole's orientation as celestial bodies rotate. Additionally, any disturbance made at one end of the pole would travel through it at the speed of sound of the material it is made of.

Q: What is the purpose of a prehensile-tailed porcupine's weird nose?

The weird nose of a prehensile-tailed porcupine is used for smelling. It helps them locate food and other scents in their environment.

Q: Why do prehensile-tailed porcupines make vocalizations?

Prehensile-tailed porcupines use vocalizations to communicate. In the wild, they would be less vocal to avoid attracting attention from predators. Their vocalizations can indicate their emotional state or serve as a warning.

Q: How dangerous can a porcupine quill be to other animals?

Porcupine quills can be dangerous to other animals that do not have opposable thumbs. The barbed quills can go deeper and cause more damage over time if not removed, making them particularly harmful if embedded in sensitive areas like the face.

Summary & Key Takeaways

• Michael tries to stump Hank with a question about whether communication can be faster than the speed of light using a long pole, but Hank explains that it is impractical due to the cost and difficulty of maintaining the pole's orientation through rotating celestial bodies.

• Jessie introduces Kemosabe, a prehensile-tailed porcupine, and talks about its unique features such as its weird nose used for smelling, communication through vocalizations, and adaptations for living in trees.