More Precious than Gold
Failed to add items
Sorry, we are unable to add the item because your shopping cart is already at capacity.
Add to Cart failed.
Please try again later
Add to Wish List failed.
Please try again later
Remove from wishlist failed.
Please try again later
Adding to library failed
Please try again
Follow podcast failed
Please try again
Unfollow podcast failed
Please try again
Get 30 days of Standard free
Auto-renews at $8.99/mo after 30-day trial. Cancel anytime
Buy for $4.20
-
Narrated by:
-
Dan Schoeneberg
Aluminum was once more valuable than gold. A breakthrough in refining aluminum from rock transformed it from rare matter to sandwich wrapper. In this science story, you'll learn how two chemists, Charles Hall and Paul Héroult, solved the problem.
©2018 Tracy Vonder Brink (text), Rupert van Wyk (cover art) (P)2018 Cricket Media Inc.
No reviews yet