Posts tagged: fire using ice

VIDEO: How To Make Fire… Using Ice!

How To Make Fire Using Ice
VIDEO: How To Make Fire… Using Ice! Image – www.youtube.com/watch?v=thbSSuo1Z00

Here’s one of the more unusual ways to make fire – explained with an actual demonstration!

It’s been known since ancient times that the power of sunlight, focused into a concentrated beam, can raise temperatures high enough to start fire. Various writers from ancient times mention vases filled with water or angled mirrors – and used burning lenses to light fires in temples. Excavations have found rock crystal lenses made by the Vikings, though the purpose of these is not certain.

Related: 4 Super Useful Survival Fire Starting Tricks

The potential of the sun, when harnessed in this way, is immense: There is an old legend that Archimedes created a weapon that was used in 212 BC to burn Roman warships in a battle.

In modern times, the typical method of using the sun to start fire, known by all, is the use of a magnifying glass. Even a simple glass bottle, left in the dry brush, can start a fire – hence the warnings against it.

Depending on the size of the glass, more of the sun’s power can be harnessed – and I have even seen solar welding using a Fresnel lens a few feet in diameter! At the extreme scale, concentrated solar power stations make use of mirror arrays to collect sunlight from large areas for the purpose of using the heat to generate power.

In this video, our demonstrator proves that it is possible to use ice as the lens to make the fire, so long as it is shaped in the right way. Note of course that you will need sunlight, preferably high overhead, in order to effect this method – but it’s another valuable fire starting technique to add to your bushcrafting skills!

Ok, here’s the video on How To Make Fire Using Ice – let us know what you think! 🙂

ps. Wikipedia also has a fascinating page about burning lenses… check it out here: http://en.wikipedia.org/wiki/Burning_glass