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Show HN: I 3D scanned the interior of the Great Pyramid at Giza

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Re: Show HN: I 3D scanned the interior of the Great Pyramid at Giza

#181

Post by alberth »

mdswanson wrote: post #136
alberth wrote: post #127

My takeaways: - From the entrance, all the way to the Grand Gallery ... it doesn't not feel like that was an intended entrance path. It gives the vibe of an auxiliary tunnel (not main path). - It's extremely "industrial". For what historians claim to be a monument, there's not a single hieroglyphic that I saw. It was the opposite of being ornate or lavish. - There's numerous deep groves intended to guide something la…

It says "We're entering today through a Robber's Tunnel, a tunnel that some believe was created in 820 AD by Caliph al-Ma'mun, when he was trying to break into the pyramid."

Dumb question: if this is the robbers tunnel - why haven’t modern day archeologist excavated the main pyramid entrance?

Re: Show HN: I 3D scanned the interior of the Great Pyramid at Giza

#182

Post by lukehollis »

Balgair wrote: post #177

Wow! Just wow! I really hope to see it in person now! Quick question: Do you wear the Indiana Jones hat while scanning? Because I know I couldn't pass up that chance.

I listen to the Pyramid Song by Radiohead on headphones :) couldn’t pass up either.

Re: Show HN: I 3D scanned the interior of the Great Pyramid at Giza

#183

Post by salty_biscuits »

alberth wrote: post #127

My takeaways: - From the entrance, all the way to the Grand Gallery ... it doesn't not feel like that was an intended entrance path. It gives the vibe of an auxiliary tunnel (not main path). - It's extremely "industrial". For what historians claim to be a monument, there's not a single hieroglyphic that I saw. It was the opposite of being ornate or lavish. - There's numerous deep groves intended to guide something la…

It's really old and has a lot of history post ancient Egypt a fair bit of it abusive, e.g. it looks like the sphinx's nose was chiselled off (not shot off with a cannon by Napoleon in the myth). People used to climb all over the great pyramid, etc. It's cool to go to the more recently discovered places like the valley of the queens to see the paint and hieroglyphics. All the stuff near Cairo has had more human interaction.

Re: Show HN: I 3D scanned the interior of the Great Pyramid at Giza

#184

Post by hfo »

nosianu wrote: post #137
alberth wrote: post #127

My takeaways: - From the entrance, all the way to the Grand Gallery ... it doesn't not feel like that was an intended entrance path. It gives the vibe of an auxiliary tunnel (not main path). - It's extremely "industrial". For what historians claim to be a monument, there's not a single hieroglyphic that I saw. It was the opposite of being ornate or lavish. - There's numerous deep groves intended to guide something la…

> it doesn't not feel like that was an intended entrance path The accompanying text says the entrance was made by robbers forcefully breaking through some random section because they did not find the true entrance. So they dug until they hit the existing tunnels.

The floor of the entrance is exactly at the right height, a little to the right of a crucial element to get access to the upper chambers: The crossing between the ascending and descending passage. This is where the ascending passage was blocked - you can see one of the large granite blocks still in place today. The (presumably) robbers goal was to get behind those granite blocks. This passage leads straight on to the crossing, then taking a sharp left turn just right behind the blocking. Whoever built this path must have known where it should lead to. That makes the story that Al Mamun did it so unlikely. He might have enhanced an existing tunnel, but there is no conceivable reason why he should have built it in the first place. Here is a rough illustration, the dark brown being the robbers tunnel: http://www.benben.de/Architektur/Cheops/Grafik/Mamun3.jpg

Re: Show HN: I 3D scanned the interior of the Great Pyramid at Giza

#185

Post by hfo »

alberth wrote: post #181
mdswanson wrote: post #136

Earlier quoted context omitted.

It says "We're entering today through a Robber's Tunnel, a tunnel that some believe was created in 820 AD by Caliph al-Ma'mun, when he was trying to break into the pyramid."

Dumb question: if this is the robbers tunnel - why haven’t modern day archeologist excavated the main pyramid entrance?

They have. It's a few levels higher. The robbers tunnel is easier to reach from the ground, so it became the main entrance for visitors for centuries now.

Re: Show HN: I 3D scanned the interior of the Great Pyramid at Giza

#186

Post by dwringer »

This is absolutely fantastic, the only thing I note with some sadness is that the well shaft leading down from the entrance tunnel of the Queen's Chamber is not mapped. The grated-off hole leading down into it is visible and the model does show a cavity there, but there is also a chamber (called the "Grotto" in old diagrams) partway down which is said to have been at the top of the limestone mound on which the pyramid is built. Was it not permitted to access this area?

Re: Show HN: I 3D scanned the interior of the Great Pyramid at Giza

#188

Post by erickhill »

anthk wrote: post #123
erickhill wrote: post #93

Very cool. I wish there was a 2D "dungeon crawler" map overlay of some kind so I could see where I am and what direction I'm facing as I progress into the structure. I start to lose my bearings. I was fortunate to go inside the pyramid as a child in 1980 when I was 9. I remember it feeling quite claustrophobic at the time, and I wasn't exactly big. Once inside you quickly lose the scale of the thing (or at least I di…

I want the reverse. Dungeons generated a la street view for a Nethack ascii map instead of tiles. As the game it's turn based, it would be usable after all even underpowered machines.

Hah! That would be pretty interesting.

I guess the inbetween would be DungeonHack...

Be pretty wild to have a 3D interactive Rogue based on GeoGuessr realism.

Re: Show HN: I 3D scanned the interior of the Great Pyramid at Giza

#189

Post by LeifCarrotson »

jakeinspace wrote: post #180
mwint wrote: post #141

Earlier quoted context omitted.

I wonder… would a nuclear attack wipe out the pyramids? Not one directly on them, but centered on the nearby city?

The Giza complex is right next to Cairo. Actually, it might be within the city limits. Far enough from the downtown core to survive a single moderate nuclear blast I would think.

While the postcards show the pyramids standing in the desert, the city comes to within ~300m of the base. Downtown is only 10km from the pyramids.

https://i.imgur.com/eKq7Zcz.jpg

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