As all regular traveller and most infrequent travellers know, airport security is joke. Security theatre at its highest.
Catching up on some reading today and found this, via Crypto-Gram.
The far easier way to to just buy a bottle of spirits and smash it - a broken glass bottle is a very effective weapon.
Thankfully we are safe from those evil terrorist plots which require more than 100ml of fluid </WeaponsGradeSarcasm>.