Order History
Premium Membership & Rewards
Help Center / FAQ
Eratosthenes 2.0: The Million-Dollar Laser Challenge
Audiobook
$5.00
Not eligible for purchase using B&N Audiobooks Subscription credits
In stock
This item is currently out of stock online.
Not Eligible for Free ShippingSelect a store to view item availability.
Available on compatible , the free NOOK App, and in My Digital Library
NOOK App
Download NOOK app
NOOK Devices
NOOK eReaders
- NOOK GlowLight 4 Plus
NOOK Tablets
- NOOK 9" Lenovo Tablet
- NOOK 10" HD Lenovo Tablet
- NOOK Tablet 7" & 10.1"
- NOOK by Samsung Galaxy Tab 7.0 [Tab A and Tab 4]
- NOOK by Samsung [Tab 4 10.1, S2 & E]
Free NOOK Reading Apps
- NOOK for iOS
- NOOK for Android
BN.com website
Go to your Digital Library in My Account
Limit 1 per customer
This audiobook is narrated by a digital voice.
What if the shape of our world could be verified once and for all, not by authority, theory, or CGI-but by simple, undeniable laser geometry?
Penguin X-01 lays down a million-dollar empirical gauntlet:
Fire a laser horizontally across 10 kilometers. If Earth is truly a globe, the beam must miss its target by at least 7.85 meters (7.07 meters after atmospheric refraction). It's simple geometry-no belief required.
Yet NASA, academia, and the institut...
You May Also Like
Braiding Sweetgrass: Indigenous Wisdom, Scientific Knowledge and the Teachings of Plants
Audiobook
$19.11
or
1 Credit
Braiding Sweetgrass: Indigenous Wisdom, Scientific Knowledge and the Teachings of Plants
Audiobook
$22.49
or
1 Credit
The Code Breaker: Jennifer Doudna, Gene Editing, and the Future of the Human Race
Audiobook
$29.99
or
1 Credit
The Code Breaker: Jennifer Doudna, Gene Editing, and the Future of the Human Race
Audiobook
$29.99
or
1 Credit
