What's new

harder-pulley-step-6

By , 25 July 2018

Photo of a loop of string attaching a bobbin to a drink bottle. With a secont loop from the bobbin going upwards out of the shot.

Categories:

Tags:

Similar posts

Mirage in a cup

Class of clear liquid with layers between the clear liquids, affecting the image seen through the glass.

Levitating card

Man blowing through a cotton reel.

Massive asteroid passes close to Earth

0 comments

Leave a Reply

By posting a comment you are agreeing to the Double Helix commenting guidelines.

This site uses Akismet to reduce spam. Learn how your comment data is processed.

Double helix cover

Double Helix

If you're after more activities for kids sign up today!

ad for the small friends books

Recent Posts

By Email

Get our fortnightly email!