TED talks have become one of the biggest global forums for discussing ideas . Renowned figures from Stephen Hawking to Chimamanda Ngozi Adichie have given talks . Comment:
TED talks have become one of the biggest global forums for discussing ideas . Renowned figures from Stephen Hawking to Chimamanda Ngozi Adichie have given talks . From 3D-printed jets to underwater robots , there are numerous ideas for the innovations of tomorrow .