Tower to space | Wikipedia audio article
Channel: wikipedia tts
Date: 17/05/2019

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Non-rocket_spacelaunch


00:01:14 1 Comparison of space launch methods
00:01:25 2 Static structures
00:01:46 2.1 Space tower
00:03:16 3 Tensile structures
00:04:12 3.1 Skyhook
00:04:41 3.2 Space elevator
00:06:46 3.3 Endo-atmospheric tethers
00:07:25 4 Dynamic structures
00:07:34 4.1 Space fountain
00:08:20 4.2 Orbital ring
00:09:47 4.3 Launch loop
00:10:37 4.4 Pneumatic freestanding tower
00:11:45 5 Projectile launchers
00:12:26 5.1 Electromagnetic acceleration
00:12:51 5.1.1 Mass driver
00:13:46 5.1.2 StarTram
00:15:16 5.2 Chemical
00:15:25 5.2.1 Space gun
00:16:46 5.2.2 Ram accelerator
00:17:40 5.2.3 Blast wave accelerator
00:18:15 5.3 Mechanical
00:18:24 5.3.1 Slingatron
00:19:33 5.4 Air launch
00:20:10 5.5 Spaceplanes
00:21:22 6 Balloon
00:23:39 7 Hybrid launch systems
00:27:21 8 See also



Listening is a more natural way of learning, when compared to reading. Written language only began at around 3200 BC, but spoken language has existed long ago.

Learning by listening is a great way to:
- increases imagination and understanding
- improves your listening skills
- improves your own spoken accent
- learn while on the move
- reduce eye strain

Now learn the vast amount of general knowledge available on Wikipedia through audio (audio article). You could even learn subconsciously by playing the audio while you are sleeping! If you are planning to listen a lot, you could try using a bone conduction headphone, or a standard speaker instead of an earphone.

Listen on Google Assistant through Extra Audio:
https://assistant.google.com/services/invoke/uid/0000001a130b3f91
Other Wikipedia audio articles at:
https://www.youtube.com/results?search_query=wikipedia+tts
Upload your own Wikipedia articles through:
https://github.com/nodef/wikipedia-tts
Speaking Rate: 0.9455001673908118
Voice name: en-US-Wavenet-C


"I cannot teach anybody anything, I can only make them think."
- Socrates


SUMMARY
=======
Non-rocket spacelaunch refers to concepts for launch into space where some or all of the needed speed and altitude are provided by something other than rockets, or by other than expendable rockets. A number of alternatives to expendable rockets have been proposed.  In some systems such as a combination launch system, skyhook, rocket sled launch, rockoon, or air launch, a rocket would be part, but only part of the system used to reach orbit.
Present-day launch costs are very high – $2,500 to $25,000 per kilogram from Earth to low Earth orbit (LEO).  As a result, launch costs are a large percentage of the cost of all space endeavors.  If launch can be made cheaper, the total cost of space missions will be reduced.  
Due to the exponential nature of the rocket equation, providing even a small amount of the velocity to LEO by other means has the potential of greatly reducing the cost of getting to orbit.
Launch costs in the hundreds of dollars per kilogram would make possible many proposed large-scale space projects such as space colonization, space-based solar power and terraforming Mars.