| Subject | Datestamp | Replies | Score | |||
|---|---|---|---|---|---|---|
| It's about storing excess or cheapr energy cheaply | ||||||
| attached to 'Sand Battery Could Solve Green Energy's Big Problem' | ||||||
| Speechless | ||||||
| attached to Atomic Clocks Compared With Astounding Accuracy | ||||||
If you push the "extra ice" button on the soft drink vending machine, you won't get any ice. If you push the "no ice" button, you'll get ice, but no cup.
