Redcrystal is a block added by the Automagy 1 mod. It functions same as Redstone, but it can be placed on any side of a block, it can transfer the signal in any dimensions, also 2 of these can be placed on adjacent sides of one block, and as long as there is no block "between" them, the signal will be transferred. The connection of each side of the crystal to adjacent crystals can be toggled by right-clicking it with any wand.
"You've discovered that some materials, once crystallized a certain way, become more susceptible to magical control. The new crystalline structures can then be rearranged and, in some cases, instructions can be imprinted upon them.
This discovery came to you during your experimentations on redstone powder. The resulting redstone crystal - or redcrystal - can be oriented more easily in a chosen direction. It can be placed on any side of a block. Right-click on a section of redcrystal with your wand to add or remove a connection to its neighbors.
In addition to passing its signal to other redcrystal in adjacent blocks, it will also pass a signal around corners when the two redcrystal clusters aren't directly touching so long as both of them are attached to the same block and there is empty space in the adjoining area."
The Fire Crystal is a glowing ore added by Thaumcraft 6. It is found in clusters of 1-64. When mined, it will drop 1-4 Ignis Vis Crystals (the number of crystals it will drop is countable by looking at the block). Silk Touch is ineffective against the Fire Crystal.
Thaumcraft's research system provides a "pacing" of character advancement. To learn how to craft successively more powerful devices, the player must collect research points with a Thaumometer, and use the collected points to research new technologies. These research points carry the same aspects as used for essentia or vis -- for example an Ignis research point represents knowledge about fire.
NOTE: Research data (i.e. aspects collected, Thaumonomicon entries, etc.) are stored in files named after your player's Minecraft name (.thaum in the playerdata folder of your world). As of February 4th 2015, players can change their Minecraft names, however Thaumcraft 4 does not provide any method of tracking these name changes. Changing your Minecraft name will thus reset all your research, however it can easily be restored by replacing and renaming the .thaum file for the current name with the .thaum file for the old name, so there are no unfixable issues with name changes and Thaumcraft. Before doing this, keep a backup of your world saves (which automatically include the playerdata folder with the research data) to prevent any fatal errors. See this FAQ page for details.
You can't perform research without research points, and the best way to gain research points is by exploration and examining objects in the world. (You do start with a few points in the primal aspects: about 16 each, give or take.)
The first thing you will need to do is construct a Thaumometer. By pointing the Thaumometer at various things, and holding the right mouse button you will start examining them. The process does not take long, but your movement speed is reduced and you can't do much else while scanning. When your scan is complete, the Thaumometer will display what aspects the object contains. In the bottom right of the screen you will also see a summary of the aspects and research points you discovered. You can scan many different things: blocks, mobs and other entities, nodes, and even dropped items.
For most things (mobs, entities, or items) you will gain research points equal to the target's aspects. For a node, you will gain points equal to about 1/10 of the node's strength in each aspect. The very first time you discover an aspect, whether by examining something or "at the table", you gain triple the number of research points you would have normally. This implies that for materials which come in both "pieces" and blocks, such as coal or iron, you will do better by scanning the block first.
You can also use your research table (see below) to combine research points directly; this can let you discover new aspects, and you will need to do this at least once: The (necessary) example from the Thaumonomicon is that Aqua (water) and Terra (earth) combine to form Victus (life). (There is nothing in the game that contains Victus, without also containing some aspect which requires Victus to discover.)
Note that there is a soft cap to the number of research points you can accumulate in total, and in each aspect. (These values can be changed in the configuration file.) When you reach this cap, you will start getting fewer points than you might expect. When this happens, you need to use up some of those points, by researching topics from your Thaumonomicon, and/or combining low-level aspects into higher compounds.
Some objects and creatures will also reveal special insights when scanned. In current versions of Thaumcraft, the research topic in question will simply be unlocked in your Thaumonomicon. There are also few objects which have no aspects, for one reason or another.
Your Thaumonomicon contains many icons for research topics. Some of these topics represent special abilities, but most indicate recipes for items you can craft. Some topics start off darkened and unreadable, while others are hidden completely . As you scan key items, and perhaps in response to other events, more of these topics will be unlocked and others will appear.
While a few topics will be known and readable from the beginning of the game, most will require some investment of research points and effort to actually learn the information and render the topic readable. Only after learning the topic, will you be able to read the information within it.
There are a few topics that are marked as "forbidden research", which can be seen by the dark pulsing aura surrounding the icon. Researching forbidden topics will cause your character to gain warp. Some of these topics, such as Research Mastery, are required(if not, fairly necessary) in order to proceed with the game. Fortunately, small amounts of warp are not very dangerous, despite the unnerving effects you will experience. In fact, the "voices in your head" will grant you genuine knowledge, in the form of occasional free research points, making it useful when you are lacking points of a certain aspect.
By default, most of the research icons ("primary" research, with round or squarish icons) will require playing a minigame to actually gain the knowledge, but some of the secondary researches (hexagonal icons) can be bought "up front" for research points. By editing the configuration file, it is possible to choose "hard", "normal", or 'easy" mode for research. Normal is as above, hard mode requires the minigame for all research, while easy mode lets you buy all researches directly, avoiding the minigame entirely. Note that the names are slightly misleading: In easy mode, you will actually use more points for the research, with less flexibility for what aspects you need -- but you avoid the minigame. Conversely, hard mode requires the minigame even for secondary researches, but if you are reasonably skilled at the game, you can get them at a bargain, for fewer points of simpler aspects. For simplicity, the rest of this page (and wiki) will assume you are playing in normal mode.
To research topics, begin with your Thaumonomicon and (for primary topics) some paper, and click on the desired icon. For primary research, one piece of paper will be used, and you will gain a "research note" for the topic, which you can then insert in the research table for the minigame. For secondary research, you will see the aspects and numbers of research points you need, and if you have enough, clicking on the icon will immediately spend the points and learn the topic. Once you have completed the minigame for a research note, it will change from a flat page to a tied scroll.
Once you have the completed research note, you can put that in your hotbar and right-click it to gain the new ability or unlock the recipe(s) that it represents. If you have, and wish to use, the Research Duplication ability, you must do that before you activate the note for yourself.
The current minigame, introduced in version 4.1, requires a fair bit of knowledge about the aspect system. Note that while some pages here show examples for solving the research notes, these are only suggestions, and it's always possible to solve notes in a different way. In particular, you will generally want to use whatever aspects you have (or can make) more research points for. The "Cheat Sheet" section below also offers some useful resources.
By way of example, here are completed research notes for the meta-research topics described above. Remember that any research note can be completed in a variety of ways, depending on what aspects you have available.
Normally when you run out of an aspect, it will be darkened in the table list. However, it is possible to get "ghost points" for various aspects, indicated by a "shiny" marker on the aspect's icon. If you run out of an aspect with a ghost point, you will be left with an unnumbered icon. You can use this one more time before it fades, and when you do so, it will eventually recover and reappear. Ghost points allow your research to proceed slowly, even when you've used up all points for a key aspect. You can also use them for combinations, letting you slowly accumulate points of a rare compound. Of course, you can also earn more points by the methods described above, but note that ghost points are only usable when you otherwise have zero points of that aspect.
A ghost point will be given in an aspect, when an example of that aspect exists somewhere near your research table - for example, placing a water source block nearby will give you ghost points for Aqua. Having a lit fire (or placed Nitor) nearby will grant ghost points for Ignis. 2b1af7f3a8