(new) Science

pssst, want to buy a zed engine? - (boxley) - April 23, 2016, 06:14:30 PM EDT

2015 had fastest increase in CO2 in 56 years of data. - (Another Scott) - March 11, 2016, 04:00:35 PM EST

I hope this work will help in learning a new language - (boxley) - March 1, 2016, 12:24:29 AM EST

I wish I qualified for a job here - (drook) - (5) - Feb. 24, 2016, 12:38:49 AM EST

kinda reminds me of the last bash in philly, dang I miss beep -NT - (boxley) - Feb. 24, 2016, 12:40:35 AM EST

That is impressive! More so than the 4-legged mule w/gasoline engine. -NT - (a6l6e6x) - (1) - Feb. 24, 2016, 12:28:20 PM EST

Indeed. - (Another Scott) - Feb. 24, 2016, 07:29:27 PM EST

Keep kicking... They will not be back >:-) -NT - (scoenye) - (1) - Feb. 26, 2016, 11:51:50 PM EST

Impressive indeed - (rcareaga) - April 26, 2016, 11:46:24 PM EDT

How to store solar power - (drook) - (18) - Feb. 12, 2016, 12:15:23 PM EST

Neat! -NT - (mmoffitt) - Feb. 12, 2016, 02:23:40 PM EST

I don't know about that. - (a6l6e6x) - (3) - Feb. 12, 2016, 03:39:03 PM EST

I'm guessing they leave the rocks loaded -NT - (drook) - (2) - Feb. 12, 2016, 03:46:49 PM EST

Unless they want to scale up capacity. - (a6l6e6x) - (1) - Feb. 12, 2016, 04:13:58 PM EST

I assume they mean leave the entire train, then go back down for another - (drook) - Feb. 12, 2016, 04:25:56 PM EST

TANSTAAFL. - (Another Scott) - (12) - Feb. 12, 2016, 10:10:19 PM EST

"and it takes so much energy to move the necessary mass" - (drook) - (11) - Feb. 13, 2016, 12:10:39 PM EST

The key benefits are simplicity and cost - (malraux) - (10) - Feb. 13, 2016, 12:25:07 PM EST

500K AA batteries ... that's a useful metric :-/ -NT - (drook) - Feb. 13, 2016, 01:05:03 PM EST

Dunno. I'm skeptical of things like this. - (Another Scott) - (7) - Feb. 13, 2016, 02:46:45 PM EST

The other big benefit - (drook) - Feb. 13, 2016, 03:41:17 PM EST

maybe I am missing something but when the battery is done you chuck it, that costs as well -NT - (boxley) - (5) - Feb. 13, 2016, 03:54:33 PM EST

Eneloops are rechargeable -NT - (malraux) - (4) - Feb. 13, 2016, 04:03:04 PM EST

Yeah, but they don't last forever. Neither do locomotives though. :-) -NT - (Another Scott) - Feb. 13, 2016, 04:11:59 PM EST

can they get recharged by running them down a hill? If not what is the cost of the recharge? -NT - (boxley) - (2) - Feb. 13, 2016, 05:57:07 PM EST

The whole point is to store solar power, not to just generate power from locomotives. - (Another Scott) - (1) - Feb. 13, 2016, 07:49:51 PM EST

Probably inefficient because . . . - (Andrew Grygus) - Feb. 13, 2016, 09:10:58 PM EST

Yeah, fill the damned things with sand . . . - (Andrew Grygus) - Feb. 13, 2016, 06:41:38 PM EST

Big dreams at NASA - (drook) - (1) - Feb. 12, 2016, 07:05:44 AM EST

They're nice posters. - (Another Scott) - Feb. 12, 2016, 10:12:49 PM EST

Gravitational waves are for real! - (a6l6e6x) - (2) - Feb. 11, 2016, 03:43:30 PM EST

Howard Taylor nailed the practical implications of this a while back - (drook) - (1) - Feb. 11, 2016, 04:51:08 PM EST

Water is weird. - (Another Scott) - (1) - Jan. 24, 2016, 07:50:18 PM EST

Well sure.. when it's Spaced-out! :-0 -NT - (Ashton) - Jan. 25, 2016, 06:15:28 AM EST

Hey, even w/o Pluto, we may be back to 9 planets. - (a6l6e6x) - (2) - Jan. 21, 2016, 09:04:15 AM EST

Pretty strong evidence - (drook) - (1) - Jan. 21, 2016, 09:28:27 AM EST

Although... - (malraux) - Jan. 21, 2016, 10:42:10 AM EST

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