--- 1 --- Easter is coming, and I've had a link stored up for a long time that I've been practically bursting to share with you all. io9 has a nice explanation of the physics of this trick.  Once you fill a hollow egg with hydrogen gas and wave a match over the top: It burns like a very ineffective gas lamp for a while, showing little flame, while the hydrogen leaks out the top. The egg, for a while, remains unscathed. The column of hydrogen leaking out the top is exposed to oxygen, … [Read more...]