When an e-reader is loaded with thousands of books, does it gain any weight?

Hoyt Clagwell · 10-30-2011, 08:34 PM

“In principle, the answer is yes,” said John D. Kubiatowicz, a professor of computer science at the University of California, Berkeley.

Read the rest at the link.

http://www.nytimes.com/2011/10/25/sc...ml?_r=2&src=tp

sabredog · 10-30-2011, 09:46 PM

None the less, my PRS-650 and PRS-T1 are still waaaaay lighter than my iPad 2.

I blame the big reference tomes in PDF on my iPad 2 though, that must be it.

Ravensknight · 10-30-2011, 11:22 PM

well, after an indepth, exhaustive reading of the link, I've come to the conclusion...

...that only ereaders that hear trees fall in the forest gain weight!

speakingtohe · 10-31-2011, 12:25 AM

Hopefully we don't have to buy them a new wardrobe

GA Russell · 10-31-2011, 12:28 AM

It depends on how many of your books are heavy reading!

frahse · 10-31-2011, 01:25 AM

Perhaps this corresponds to the report that a body loses weight as life departs. All that knowledge goes away, thus a lighter body.

Nice correlation.

Sweetpea · 10-31-2011, 02:26 AM

Time to remove some books from my devices then! No wonder they felt so heavy

This is something you can understand in theory, but as those numbers are so insanely small, it's hard to "understand" it with your heart...

Jellby · 10-31-2011, 03:53 AM

It assumes that "empty" flash memory is all zero-bits, while "used" memory is a mixture of ones and zeros.

I believe that's not true with the FAT filesystem (which most/all readers use), empty memory can contain anything, it's just marked as empty, or rather not marked as used, in the file allocation table (FAT). So I'd say "in principle, maybe", it might gain weight, it might lose it, but it will remain FAT

sabredog · 10-31-2011, 06:10 AM

My iPad has just told me that it is not "fat" just plumped up with wisdom!

My Sony's refused to comment.

While my wife's Kindle muttered something about trying to choose between the short story diet or the latest chocolate cookbook from the Kindle store. I think it may be confused...

wayrad · 10-31-2011, 07:13 AM

Quote:

"As the equation E=mc^2 makes clear, this energy is equivalent to mass and will have weight."

They failed to point out that this also means that the mass of your ereader is equivalent to energy and will vaporize your neighborhood. Run for your lives!

Apache · 10-31-2011, 07:21 AM

My arms are getting bigger.

Apache

coderserdar · 10-31-2011, 08:55 AM

i wanna just say

hahahahahahaha

theducks · 10-31-2011, 10:52 AM

And I was blaming my Cat for a tired arm

Sorry Ellie, I now know it is the 2000+ books on the SD card.

DustyDisks · 10-31-2011, 11:08 AM

So that makes reading e-books healthy , sort of like pumping iron!

Hoyt Clagwell · 10-31-2011, 11:22 AM

My Kindle just asked me if War and Peace made her look fat.

10-30-2011, 08:34 PM	#1
Hoyt Clagwell Not an Addict Posts: 301 Karma: 5678807 Join Date: Mar 2011 Device: The blue one next to the fish.	When an e-reader is loaded with thousands of books, does it gain any weight? “In principle, the answer is yes,” said John D. Kubiatowicz, a professor of computer science at the University of California, Berkeley. Read the rest at the link. http://www.nytimes.com/2011/10/25/sc...ml?_r=2&src=tp

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10-30-2011, 09:46 PM	#2
sabredog Geographically Restricted Posts: 2,630 Karma: 14933353 Join Date: Dec 2008 Location: Perth, Australia Device: Sony PRS-T3, Kindle Voyage, iPad Air2, Nexus7v2	None the less, my PRS-650 and PRS-T1 are still waaaaay lighter than my iPad 2. I blame the big reference tomes in PDF on my iPad 2 though, that must be it.

10-30-2011, 11:22 PM	#3
Ravensknight Serpent Rider Posts: 1,123 Karma: 10219804 Join Date: Jun 2009 Device: Sony 350; Nook STR; Oasis	well, after an indepth, exhaustive reading of the link, I've come to the conclusion... ...that only ereaders that hear trees fall in the forest gain weight!

10-31-2011, 12:25 AM	#4
speakingtohe Wizard Posts: 4,812 Karma: 26912940 Join Date: Apr 2010 Device: sony PRS-T1 and T3, Kobo Mini and Aura HD, Tablet	Hopefully we don't have to buy them a new wardrobe

10-31-2011, 12:28 AM	#5
GA Russell Als, Lions host Semis Posts: 7,715 Karma: 31487351 Join Date: Aug 2009 Location: Raleigh, NC Device: Paperwhite, Kindles 10 & 4 and jetBook Lite	It depends on how many of your books are heavy reading!

10-31-2011, 01:25 AM	#6
frahse occasional author Posts: 2,315 Karma: 2064403292 Join Date: Sep 2011 Location: Wandering God's glorious hills, valleys and plains. Device: A Franklin BI (before Internet) was the first. I still have it.	Perhaps this corresponds to the report that a body loses weight as life departs. All that knowledge goes away, thus a lighter body. Nice correlation.

10-31-2011, 02:26 AM	#7
Sweetpea Grand Sorcerer Posts: 9,707 Karma: 32763414 Join Date: Dec 2008 Location: Krewerd Device: Pocketbook Inkpad 4 Color; Samsung Galaxy Tab S6	Time to remove some books from my devices then! No wonder they felt so heavy This is something you can understand in theory, but as those numbers are so insanely small, it's hard to "understand" it with your heart...

10-31-2011, 03:53 AM	#8
Jellby frumious Bandersnatch Posts: 7,570 Karma: 20150435 Join Date: Jan 2008 Location: Spaniard in Sweden Device: Cybook Orizon, Kobo Aura	It assumes that "empty" flash memory is all zero-bits, while "used" memory is a mixture of ones and zeros. I believe that's not true with the FAT filesystem (which most/all readers use), empty memory can contain anything, it's just marked as empty, or rather not marked as used, in the file allocation table (FAT). So I'd say "in principle, maybe", it might gain weight, it might lose it, but it will remain FAT

10-31-2011, 06:10 AM	#9
sabredog Geographically Restricted Posts: 2,630 Karma: 14933353 Join Date: Dec 2008 Location: Perth, Australia Device: Sony PRS-T3, Kindle Voyage, iPad Air2, Nexus7v2	My iPad has just told me that it is not "fat" just plumped up with wisdom! My Sony's refused to comment. While my wife's Kindle muttered something about trying to choose between the short story diet or the latest chocolate cookbook from the Kindle store. I think it may be confused...

10-31-2011, 07:21 AM	#11
Apache Readaholic Posts: 5,306 Karma: 90981752 Join Date: Sep 2011 Location: South Georgia Device: Surface Pro 6 / Galaxy Tab A 8"	My arms are getting bigger. Apache

10-31-2011, 08:55 AM	#12
coderserdar Groupie Posts: 186 Karma: 37852 Join Date: Aug 2011 Location: Türkiye Device: Amazon Kindle 3 Wifi, İpod Touch 4th Generation	i wanna just say hahahahahahaha

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10-31-2011, 10:52 AM	#13
theducks Well trained by Cats Posts: 31,249 Karma: 61360164 Join Date: Aug 2009 Location: The Central Coast of California Device: Kobo Libra2,Kobo Aura2v1, K4NT(Fixed: New Bat.), Galaxy Tab A	And I was blaming my Cat for a tired arm Sorry Ellie, I now know it is the 2000+ books on the SD card.

10-31-2011, 11:08 AM	#14
DustyDisks Old Fart In Training Posts: 534 Karma: 2742476 Join Date: Jan 2011 Location: Gladewater, Texas Device: K3+3g/KFHD 7"/Nexus 7/Nexus 7.2	So that makes reading e-books healthy , sort of like pumping iron!

10-31-2011, 11:22 AM	#15
Hoyt Clagwell Not an Addict Posts: 301 Karma: 5678807 Join Date: Mar 2011 Device: The blue one next to the fish.	My Kindle just asked me if War and Peace made her look fat.