request Is there gravity at the center of the Earth?

https://preview.redd.it/iina9v9ro59h1.png?width=768&format=png&auto=webp&s=92be1a681c50a3d05365abda95a9aad93f37c019

Let's assume we're able to drill and travel to the center of the planet. In this example there are no problems with temperature. Once you reach that location there is a large hollow space. Let's say it's a mile diameter open sphere just for the heck of it.
Is there effectively zero (micro) gravity there since you are being pulled equally by the mass of the planet in all directions? Could you just walk around the walls?

https://redd.it/1ue3aab
@TheyDidTheMath

[REQUEST] While inspiring, is this the most efficient way to move a bookstore around the corner to a new location?
https://redd.it/1ue4726
@TheyDidTheMath

[Request] I've seen this do the rounds a few times. What are the chances?
https://redd.it/1ue4r0d
@TheyDidTheMath

[Request] what would be the volume and price of my medication?
https://redd.it/1ue98ta
@TheyDidTheMath

[Request] How many different 'pyramids' would lead to 424?
https://redd.it/1ue8s33
@TheyDidTheMath

[Request] is this true
https://redd.it/1uec7oz
@TheyDidTheMath

[Request] One 9 inch pizza vs two 5 inch pizzas
https://redd.it/1ueedbx
@TheyDidTheMath

[Request] How close would TON 618 have to be to our galaxy to light up earth at night?
https://redd.it/1uee045
@TheyDidTheMath

[request] If we were able to capture the electricity from a lighting, how many lightnings would we need to power the entire planet?
https://redd.it/1uefsk4
@TheyDidTheMath

[Request] How much piss would this actually be?
https://redd.it/1ueh3zm
@TheyDidTheMath

[Off-site] the value of a bitch
https://redd.it/1uedisz
@TheyDidTheMath

[Request] How fast was that ball and how much force compared to average player did this Freak use?:)

https://redd.it/1uemg0e
@TheyDidTheMath

[request] what is the weight of the glasses and liquid being carried?

https://redd.it/1ues5m2
@TheyDidTheMath

[Request] Would cooking oil produce enough combustion to serve as emergency fuel like this?

https://redd.it/1uesv7g
@TheyDidTheMath

[Request] What would be required to shoot a bullet into the Sun from Earth?
https://redd.it/1uewfae
@TheyDidTheMath

[Request] Could a battery produce a laser strong enough to go through 3 heads?
https://redd.it/1uewzju
@TheyDidTheMath

request If someone were to somehow acquire One billion U.S dollars and wanted to do the most good for as many people as possible, what would they do?

I've had this question for a while and I was wondering if there would be a way to figure this out. Now, I understand this has very vague guidelines, I don't mean giving one billion people a dollar or something like that, I mean major systemic change that impacts, and improves the maximum amount of lives possible.

https://redd.it/1uey790
@TheyDidTheMath

[Request] Fleet savings costs since 2010 if every USPS LLV was replaced with a Prius
https://redd.it/1uew2yy
@TheyDidTheMath

[Request] How far away (inches/pixels) are the moons of Saturn in relation to Saturn at this rough scale?
https://redd.it/1uez5q1
@TheyDidTheMath

[Request] Is he truly so wealthy?
https://redd.it/1uf3x6k
@TheyDidTheMath

[request] If a clock was the same diameter as earth, how fast would the second hand move?

https://redd.it/1uf4nex
@TheyDidTheMath