Random science fact. Use your bicycles.

[drray23]

From the scientific american:

BICYCLE TECHNOLOGY
S. S. Wilson
Scientific American
Vol. 228, No. 3 (March 1973), pp. 81-91 (11 pages)

https://www.jstor.org/stable/24923004



The most energy efficient transportation mode is a bicycle.

On this graph, vertical axis is energy needed in calories per grams and kilometer whereas the horizontal axis is the body weight including that of the transportation device.

[erronis]

1. I remember that story in the Sci Am and it has impressed me.

I also recently resubscribed to the magazine (and online) because I think the quality of articles has improved considerably over what was being published in the prior decade or two.

Still a bit too many really junk ads and promotions, but money needs to be made.

[keithbvadu2]

2. Budgerigar? Had to look that one up.

[eppur_se_muova]

4. AKA "budgies" ... nt

[hunter]

3. Years ago when I was teaching I could ride my bike to school in less time than it took to drive.

After a few close encounters with inattentive drivers I decided I'd rather live than save time or energy and joined the stop-and-go automobile parade every morning.

We ought to be rebuilding our cities so that commuting by bicycle is safe and car ownership is unnecessary.