Hkpolice-Psu

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原帖由 Elf 於 12-4-2011 20:15 發表
any ferromagnetic material will exhibit such pheonomenal, and not only iron will do that, but also nickel and cobalt. the can is not made entirely from aluminium, but aluminium alloy, which probably i ...

entirely from aluminium will be very expensive.

and i've discover somehow there have some bottom of softdrink can are much harder than others.

Hkpolice-Psu

引用:

原帖由 nishi 於 15-4-2011 10:37 發表


seems Nestea's can is much harder than the one of Pepsi...
my gun cannot break the bottom of the Nestea can but can pierce the Pepsi can's bottom easily...

not only that kinds of different, i am talking about between the normal coke,fanta and zero coke etc.

the same product under the swire, but different can.