can mobs see through iron bars?
605130
Info. Iron bars used to create arrow slits. Iron bars can be used to create arrow slits when placed between a door and a solid block. This creates a small gap between the door and the iron bars that mobs can see through (and attempt to attack the player through), and through which arrows can be shot.
209630
Mobs are created within an 8x8x3 high area centered around the spawner's lower northwest corner. Note that mobs can spawn in any dark space within range, even if the spawner is fully lit. The spawner will only spawn mobs if a player is within 16 blocks of it.
1412387
Fallout 3. Perception determines how far away enemies can be detected on the compass (enemies show as red bars). When playing with a high Perception, it is possible to "sense" the enemies even before they come into view.
702625
The sacrificial metal that's usually used is zinc. As the iron turns into rust, it gives up electrons. ... The rust happens not where the metal is dry, nor where the metal is wet - but at the interface between the wet and dry metal. So if you screwed a lump of zinc right on the interface, it would protect it.
573334
Dowel bars are short steel bars that provide a mechanical connection between slabs without restricting horizontal joint movement. They increase load transfer efficiency by allowing the leave slab to assume some of the load before the load is actually over it.
672250
No, mobs cannot spawn on pressure plates anymore. ... Mobs can spawn in tripwire, which might be a viable way to rebuild your farm.
1439728
["Mobs only spawn when the player is nearby, within an area of 240×240 blocks, so you'll need to be close to the farm for it to operate. ... ", 'Mobs can only spawn on opaque blocks, ruling out the use of glass platforms. ... ', 'Hostile mobs only spawn at a light level of 7 or less, and the darker the better. (']
149518
Boats can support two riders, including mobs. Mobs can't exit a boat and are trapped until the boat gets destroyed, or until the player uses a fishing rod or lead to remove the mob. This can be utilized to safely drown mobs.
482726
Most mobs cannot see through most solid blocks, including semi-transparent blocks such as ice, glass, tall grass, or glass panes.
474351
Yes, its one of the conditions, they need directly a skylight on them. It's the doors not the villagers that need light. But lack of light could mean some of the doors aren't valid, which would prevent breeding.
147663
Slabs (just bottom half?) don't block any light, meaning its only useful at night, even then you won't get anything to spawn..
1071394
Your server's view-distance setting is set too low. If your server's view-distance setting is too small, it'll cause fewer mobs to spawn. We recommend increasing the view-distance setting in your server.
909274
Compared with grey iron, nodular iron has an absolute advantage in intensity. The max tensile strength of nodular iron is 90k psi, while the max tensile strength of grey iron is only 35k psi. Nodular Irons are generally superior to grey irons, regarding their yield strength.
835303
To make the Steel, you need to make the steel fire by putting brimstone and tar in to cauldron. Now you need to put the iron bars and steel fire into the furnace. Once you are done, light it to produce the steel bars.
1305777
Mobs now recognize open trapdoors(except for oak trapdoors) as holes! I've noticed that, in snapshot pre 4, mobs don't fall in holes made by open trapdoors.
1140813
Mobs. ... Mobs can no longer spawn in blocks containing rails, powered rails, detector rails, or activator rails.
1354507
UVB cannot pass through any type of solid objects, but does bounce off surfaces. Depending on the thickness of the weave and the weave ratio of the screen can block anywhere from 20-50% of the UVB.