Positrons are the antimatter counterparts to electrons.

正电子是电子的反物质。

This isn't anything like we find on earth, or even antimatter.

这和我们在地球中找到的物质完全不同，甚至和反物质都不一样。

Scientists at CERN first produced antimatter in 1996 in an experiment that created antihydrogen.

欧洲核子研究组织的科学家于1996年在一次制造反氢的实验中首次制造出了反物质。

But just because physicists can make antimatter does not mean they understand everything about it.

但物理学家能够制造反物质，并不意味着他们了解它的一切。

Antimatter is pretty much what it sounds like: Matter's Alter-ego.

物质的反面。

Famously, however, matter and antimatter annihilate on contact and disappear in a puff of pure energy.

但众所周知的是，物质与反物质一经接触即告湮灭，在喷射出纯能量的同时消失。

A friendly gluon explains: there are an equal number of matter and antimatter particles.

这里有相同数量的物质和反物质粒子。

Everyone places their matter and antimatter cubes in a ring.

每个人都将他们的物质和反物质立方体放在一个环中。

But still, most studies have not yet been able to give clear answers about what exactly antimatter is.

但是，大多数研究还没有能够给出关于反物质到底是什么的明确答案。

I was at a physics workshop last month in Munich. There were seminars on black holes and antimatter.

上个月我去慕尼黑参加了一个研讨会。 会上讨论了宇宙黑洞和反物质。