Physical controls are kept to a minimum on the G1, with the most common input powered by a vertical angle motion sensor. The main way you interact with the glasses is by tilting your head upward ...

The agonist binding site is also contributed by the adjacent subunit (δ or γ/ε) (complementary site: polypeptide loops D-F). A result of this is that the α-δ and α-γ/ε binding sites are ...