| Subject | Datestamp | Replies | Score | |||
|---|---|---|---|---|---|---|
| Market share | ||||||
| attached to Unbox Too Restricted and Too Expensive? | ||||||
Heavier than air flying machines are impossible. -- Lord Kelvin, President, Royal Society, c. 1895
| Subject | Datestamp | Replies | Score | |||
|---|---|---|---|---|---|---|
| Market share | ||||||
| attached to Unbox Too Restricted and Too Expensive? | ||||||
Heavier than air flying machines are impossible. -- Lord Kelvin, President, Royal Society, c. 1895