On modern network cards, this should just work.
It is advisable to give each laptop its own fixed IP address, such as 192.168.1.1 and 192.168.1.2 (with a netmask of 255.255.255.0)
However, you need to define what you expect to work. The first thing to try is ping <em>the other</em> machine from the command prompt, e.g.:
C:\> ping 192.168.1.2
Then, you can try to access shared network drives if you have enabled that. In the file explorer, try typing: \\192.168.1.2
1. Datagram-based network layer: Forwarding, Routing.
2. VC- based network layer: Forwarding, Routing, Call setup.
Well, it wouldn't be such a good idea if they got caught up in a storm, would it? :p
Strong winds could blow them off-course, or even lightning has a chance of striking the hand glider, causing damage to the glider, the person, or even both.
Additionally, a weather forecast can help in my generic situations. For example, knowing whether to wrap up warm for cold weather, or wear something a bit more loose and breathable for hot weather.