. Soul sand is a block found naturally only in the nether and ancient cities. Adjunct membership is for researchers employed by other institutions who collaborate with idm members to the extent that some of their own staff and/or postgraduate students may work within the idm; from venturebeat.com For a tap, you can use an item frame and place it above the cauldron. The lightning is caused by a combination of snow and graupel (wet ice particles) moving up and down in the rising air respectively due to their different density and surface area. If leather shoes are equipped, the character will not sink through the powder snow, but if you sit down, even the character with leather shoes sinks through.