While real time-travel is obviously not happening anytime soon, with this Back to the Future themed alarm clock, you can go to the future in seven hour eight hour increments by going to sleep. Grea… ...

The clock portion is digital but the bell is analog and sounds like Grampa’s old wind up alarm clock. The build came about when a cache of over 600 industrial LEDs (24 V – 48 V) fell into his lap.

The circadian clock must be rewound every day to keep it operating on a cycle of roughly 24 hours. It is reset by sunlight and darkness, the signals traveling to the brain through the optic nerve.

Our tech writer tested 12 alarm clocks, including basic models and some with built-in Bluetooth speakers, to find the best alarm clocks at every price point.

Daylight Savings time officially ends at 2 a.m. Sunday morning, returning most of the country to Standard time. If I understand the glitch correctly, you're alarm will still go off at 5:30 a.m. on ...