You could apparently theoretically make an nuclear hand grenade using californium, but it's completely impractical since you would need 2,7 kg of it, while the yearly production is below 1 g and it have halflife of 2,6 year.
Carrying an ultra light nuclear device stripped from all possible parts to make it throwable also wouldn't help the health of user, but it's not like Uncle Sam ever cared.
You could apparently theoretically make an nuclear hand grenade using californium, but it's completely impractical since you would need 2,7 kg of it, while the yearly production is below 1 g and it have halflife of 2,6 year.
Talk about an Unholy Hand Grenade
And there's a small caveat that a man throwing such a grenade would be inevitably caught in the blast.
Carrying an ultra light nuclear device stripped from all possible parts to make it throwable also wouldn't help the health of user, but it's not like Uncle Sam ever cared.
I’m sure it’s more fun than taking a cyanide pill.