Dyson invents a very amazing fan without blades and breaks our stereotype of fan.
Because of blades, problems of conventional fan is nonuniform air flow,and needs outside cage to protect user to touch but has side effect of dust accumulation.
Integrated Digital Technologies, Inc (iDTI), Taiwan company, recently revealed its big step to touch panel - They can operate finger touch on in-cell optical touch panel. Compared with its previous generation - touch by pen, this is really a good news
