Hacker News Reader

Batteries increase in capacity by 5% per year. They will be 1.05^100 = 132 times the capacity of the batteries of today. This does not include increases to energy efficiency, which will possibly be even greater. In other words, smart watch batteries will probably last as long as digital watch batteries do today. By then, smart phones will be about as relevant as a palm pilot.

View on HN

For someone that is preparing for all eventualities, paper will be preferable to something with months or even years worth of charge.

Given that space shuttles now use a touchscreen it's fair to assume you're wrong. One hundred years will likely bring us a brain interface. You're thinking too small.

https://mashable.com/article/nasa-updates-international-spac...

> Ever since the International Space Station (ISS) welcomed its first residents in November of 2000, there have been printers on board.

> Astronauts use them to print out critical mission information, emergency evacuation procedures and, sometimes, photos from home. According to NASA, they print roughly 1,000 pages a month on two printers; one is installed on the U.S. side of the ISS, the other in the Russian segment.

There are 7 astronauts on the ISS currently, equating to about 5 printouts per person per day.

Reply on news.ycombinator.com