When the heat kicks in, the best battery-operated fans keep you cool with a long run time, strong airflow, and quiet operation. Run times vary from about two to 50 hours, and while batteries play a ...

If you purchase an independently reviewed product or service through a link on our website, Rolling Stone may receive an affiliate commission. It happens too often: It’s a hot day, you need the relief ...

Member of the group Black Eyed Peas, Will.i.am, is known to dabble in technology as he invested in companies like Tesla and Beats Electronics. Now, he announced his next venture, and it is focused on ...