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where can buy such kind of spring?
wuwenshing 1 year ago
not a condom its a 2 euro
L337F0RC3 1 year ago
one question?? how it work???
davidtorresocana 2 years ago
what's a condom doing in that vid?some sort of a hidden message??hahahahha
justin900 3 years ago 2
£2 coin!
Emzo99 1 year ago
@justin900 Are you sure it's a condom? Looks more like a coin to me.
ChrisRiley93 1 year ago
ahahah if you look at the top right...I THINK U SEE A CONDOM LOL :D
eclear23 3 years ago
This comment has received too many negative votes show
This doesnt seem like memory alloy. Kinda seems like its just contrasting when heated.
dmforse123 4 years ago
ok I saw that when I was a kid about 20 years ago.....
found any useful applications for it?!?!
nobody1234567 4 years ago
Orthodontic work.
ArsenicTheLegend 3 years ago 3
i gues if you could mass produce it and put it on bumpers of cars so after an accident you dont have to pay as much for parts...idk lol
gangsterspatula 2 years ago 4
@nobody1234567 robotics, prosthetics.. but I guess those aren't very useful
krap101 1 year ago
Several interesting are found in YouTube.
umaucf 4 years ago
ok thats great tnx again
enyawei 4 years ago
thats pretty cool, how and why plz?
enyawei 4 years ago
this is becz of a "Martensitic Phase Transformation". Materials can recover up to 2% strain with this transformation when subjected to a change in temperature (Critical transformation temperature).
umaucf 4 years ago
thnax umaucf. know of any more interesting science vids?
enyawei 4 years ago
Though in metals the recoverable strain is low, it is high in polymers. Some polymers can recover strains as high as 1100%.
umaucf 4 years ago
wikipedia website gives more details. search for key word wiki or google "Shape Memory"
umaucf 4 years ago