Geek & Nerd Haven


Geek & Nerd Haven

A group for us Geek and Nerds to talk about things we like. Technology, sci-fi, movies, TV, collecting, games, comics, science, etc.

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Discussion Forum

Star Wars: The Force Awakens Trailer (Official)

Started by Steph S.. Last reply by Wayne Davison Nov 2. 5 Replies

Published on Oct 19, 2015 Watch the official trailer for Star Wars: The Force Awakens, coming to theaters December 18, 2015.I can't wait to see this movieContinue

Tossing your privacy policies

Started by Ruth Anthony-Gardner. Last reply by Donald L. Engel Sep 25. 5 Replies

The following companies just betrayed billions of peopleThese companies are lobbying for "hugely unpopular surveillance legislation that's been lambasted by privacy groups and security…Continue

Tags: surveillance, privacy, Cyber Threat Information Sharing, cybersecurity

Unsustainable Bitcoin

Started by Ruth Anthony-Gardner. Last reply by Ruth Anthony-Gardner Sep 3. 2 Replies

... Bitcoin about 5,033 times more energy intensive, per transaction, than VISA... Bitcoin’s power usage per transaction isn’t remotely sustainable as a wholesale replacement for the conventional financial system.... According to my calculation, a…Continue

Tags: transaction costs, sustainability, Bitcoin

What Be Your Nerd Type?

Started by Steph S.. Last reply by Michael Penn Sep 3. 57 Replies the test and see what you get.This is what I am -Science/Math nerd and Gamer/Computer Nerd…Continue

The best trailers and talks of San Diego Comic-Con

Started by Steph S. Jul 15. 0 Replies

San Diego Comic-Con was last week, and our sister site IGN descended upon the…Continue

The Avengers - Age of Ultron

Started by Steph S. Apr 27. 0 Replies

Here is the website and trailer to the movie coming out May 1, 2015.I am looking forward to seeing this movie.…Continue

10 bold predictions for 2015

Started by Steph S.. Last reply by Joseph P Apr 14. 5 Replies

Life extension is one of the hottest topics around these days, but that…Continue

1000 years from now: What will we be like?

Started by Idaho Spud. Last reply by Joseph P Apr 14. 4 Replies

What will humans be like in 100 years?  1000?  One million?  One trillion?My main reason for this discussion is to see if my thinking is that far off.  I’ve mentioned this subject several times before on Atheist Nexus, in relation to living forever,…Continue

Tags: bodies, mechanical, Future

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Comment by Idaho Spud on January 9, 2015 at 11:39am

Being short does have quite a few disadvantages.  I'm medium height (5' 8"), so don't have too many problems, but I've used rolling chairs often, mostly because I'm often too lazy to get a proper stool.

Comment by Mriana on January 9, 2015 at 11:29am

And thanks.  I'm glad you enjoyed my sense of humour.  I have to have one, as you can see.  lol

Comment by Mriana on January 9, 2015 at 11:29am

Maybe, Idaho Spud, but the floor and table looks really yellow on my comp and the angle of it makes it look like a child's home-made ladder.  I've made many different attempts as a kid (a very short one at that) to make various ladders. According to my mother (who was 4'11" like myself, until she shrunk to about 4' 8" and now is 70) many people thought I was 2 y.o. when I was 5 y.o. and the dr was a bit concerned until he also found out my bio-father was 5' 3".  She was always on me to use either a stool or a step ladder, instead of experimenting with different ways to climb like an ape or make ladders.  When I had my sons and they began to climb on counters and stuff to reach things, I didn't scold them for it, because I was the one who taught them to do it.  lol  Try balancing on a rolling adjustable desk chair to change a light bulb.  I've done it many times.  Can't say it is safe, but anything that works is good enough.  Who knows?  I could have been a child's attempt at a home-made ladder.  :lol: 

Comment by Idaho Spud on January 9, 2015 at 9:53am

Yes, that top pencil does look ready to fail.

Comment by Joseph P on January 9, 2015 at 9:28am

Yup, it's a bit harder to take in, in a static photo like that.  It took me a few seconds to process that they were all tied together and represented something that stayed that way more-or-less securely (until that top pencil snaps).

Comment by Idaho Spud on January 9, 2015 at 9:24am

Mriana, perhaps you would have wondered if you had seen it in person.  The picture is a little dark on my computer, and so took me a while to figure the whole thing out.  I only recognized what it was supposed to be immediately because I've seen that type of thing many times before.

In any case, I enjoyed your sense of humor in your first post.

Comment by Joseph P on January 9, 2015 at 5:46am

It doesn't fall because the objects are perfectly balanced around their point of contact.  Well, the center of gravity of the whole doesn't have to be perfectly balanced on the edge of the table, but the closer you can get it to the edge, the more impressive you can make it look.

In this case, the head of the hammer and the head of the wrench are the heaviest parts of the ensemble.  Since those are under the table, they bring the center of mass a great deal back in that direction.

We're generally bad at estimating masses of relative things, when they're made of drastically different-mass materials.  With most hammers, particularly fiberglass ones, the head is several times the mass of the handle.  That's kind of the point: getting as much mass as possible further up the lever, away from the fulcrum, increasing the mechanical advantage without increasing the total mass that we have to hold.

The forks and wrench are similar.  We tend to think of wrenches as one, solid piece, about equally dense throughout, since they're made of solid metal ... but look which way the head is facing.  The forks are relatively light, since they're very thin.  Our brains say, "Well, that thing is made out of metal, and it's so long and wide," ignoring the third dimension.

Comment by Mriana on January 8, 2015 at 5:48pm

Interesting.  I didn't wonder why it didn't fall, but I am confused as to what it is and what it's purpose is.  Now I know what it's purpose is, but I guess I fell outside the box due to not wondering why it doesn't fall.

Comment by Idaho Spud on January 8, 2015 at 4:01pm

I recognized it immediately as one of those constructions that are intended to make people wonder why it doesn't fall.

It took a few seconds to see why it doesn't fall.

Comment by Mriana on January 8, 2015 at 3:43pm

Is it a ladder for us short people to get up onto the table?  There's a wrench in the works though, because I'm not sure if it would hold me.  lol  Other than that, I'm really not sure what it's suppose to be, so fork over the tools and I'll make a better ladder.  ;)


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