But because Hearphones aren't meant to be invisible they have room for a long antenna, a big rechargeable battery, high-quality microphones and speakers, and far more power-hungry sound-processing and noise-cancelling technology than could be concealed inside an ear canal.
Tieu was concealed inside and taken into custody.
A large TV and a CD and DVD player were concealed inside a cabinet.
The bomb, which was concealed inside a holdall and had a two-hour timer, was placed directly behind the driver's seat.
In modern, minimalist fashion, the television was concealed inside a tall, upholstered cabinet, and a sliding, pull-out wardrobe was hidden in a wall.
A special code was even used to indicate to the ministry which map was concealed inside a particular game so that it would be sent to a prisoner of war camp in the appropriate area.
Cusack, who plays Eddie as a likeable but neurotic jerk, not unlike the hit man in Grosse Pointe Blank, takes a long time to recognise the inner beauty in Kiki's personality, in part because so much of her inner beauty is concealed inside a massive fat suit.
Inside the warehouse, the tunnel's exit was concealed inside a small office.
"Silk doesn't degrade in water and can be folded up very small to be concealed inside the lining of a uniform or the hollowed out heel of a flying boot". A British Army officer is credited with having the idea of printing escape maps on silk.
The inspiration for the title sequence, set inside the secret laboratory of Dr Hassler, was the espionage theme embodied by the character: in what Archer and Hearn describe as an imitation of the style of 1960s James Bond films, a miniature camera is seen to be concealed inside Hassler's artificial eye.
Our results indicate that hydrophobic drug can be concealed inside the channels of the nanocarrier with high stability and "uncaged" via NIR irradiation-triggered hydrophobicity-hydrophilicity switch of the spiropyran molecules, finally inducing drug release and recovering their bioactivity.
