Moon Shots,

Sign in to access Harper’s Magazine

Need to create a login? Want to change your email address or password? Forgot your password?

  1. Sign in to Customer Care using your account number or postal address.
  2. Select Email/Password Information.
  3. Enter your new information and click on Save My Changes.

Locked out of your account? Get help here.

Subscribers can find additional help here.

Not a subscriber? Subscribe today!

Get Access to Print and Digital for $23.99.
Subscribe for Full Access
Get Access to Print and Digital for $23.99.

From research topics funded by the U.S. Defense Intelligence Agency between 2007 and 2012. The list was obtained by the Federation of American Scientists.

Fusion propulsion
Positron propulsion
Vacuum propulsion
Negative-mass propulsion
Nuclear propulsion for manned deep-space missions
Gravitational communications
Programmable matter
Dark energy
High-energy laser weapons
Traversable wormholes
Warp drive
Invisibility cloaking
Manipulation of extra dimensions