Walking from one place to another and returning to the original place on the same day is not full-duplex; it's half-duplex.
Why?
- In full-duplex communication, both directions are active simultaneously (like talking on a phone where both people can speak at once).
- In this case, you are walking to Zabok first and then back to Zagreb—these actions happen sequentially, not at the same time. This is analogous to half-duplex, where one direction is active at a time (like using a walkie-talkie, where you take turns speaking).
When Would It Be Full-Duplex?
- If you could walk to Zabok and back at the same time, which is physically impossible.
- If you had a clone and one of you walked to Zabok while the other walked back to Zagreb.
- If you walked on a treadmill in Zagreb that was synchronized with another person walking to Zabok, simulating simultaneous movement.
- If you used teleportation, instantly appearing in Zabok and Zagreb at the same time.
So standard travaling remains half-duplex. 😆
Half-duplex is a type of communication where data (or action) flows in both directions, but only one direction at a time. It’s like taking turns instead of talking at the same time.
Examples of Half-Duplex Systems
-
Walkie-Talkies 📡
- You press a button to speak, then release it to listen.
- Only one person can talk at a time.
-
Old CB Radios 🚛
- Truckers say “Over” to signal they’re done talking.
- The other person then responds.
-
Railway System on a Single Track 🚆
- If a train is going one way, another train must wait until the track is clear.
-
Pedestrian Bridges with One Lane 🌉
- If a person is crossing, others must wait before walking in the opposite direction.
-
Journey to Zabok and Back 🚶♂️
- You go to Zabok first, then return to Zagreb.
- You can’t do both at the same time—so it’s half-duplex!
Comparison: Full-Duplex vs. Half-Duplex
Feature | Full-Duplex 📞 | Half-Duplex 🎤 |
---|---|---|
Direction | Both ways at the same time | One way at a time |
Example | Phone call ☎️ | Walkie-talkie 🎙️ |
Efficiency | Faster, no waiting | Slower, since it alternates |
Is There a Way to Make Walking Full-Duplex?
- If you had two bodies—one going to Zabok while the other returns. 🧑🤝🧑
- If you used VR to "walk" in both places at once. 🤖
- If you had a quantum twin entangled with you. 🧑🔬
Walk - proudly half-duplex! 😆
This post was written in collaboration with ChatGPT for research, insights, and creative support.
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