Machines: How They Work
The extraordinary inner workings of a mechanical watch, a toilet and a yoyo.
2025-12-24 05:02:00 +0000 UTC→2025-12-24 05:28:00 +0000 UTC(26m)
Live & Upcoming Programmes
Machines: How They Work
A look at how a grass trimmer, a sprinkler, and a movie lens really work.
2025-12-24 04:37:00 +0000 UTC→2025-12-24 05:02:00 +0000 UTC(25m)
Machines: How They Work
A look at how a piano, a vending machine, and a rappel really work.
2025-12-24 04:11:00 +0000 UTC→2025-12-24 04:37:00 +0000 UTC(26m)
Machines: How They Work
A look at how a car jack, a movie projector, and a leatherman really work.
2025-12-24 03:46:00 +0000 UTC→2025-12-24 04:11:00 +0000 UTC(25m)
Machines: How They Work
A look at how an ATM, a vacuum cleaner, and a skateboard really work.
2025-12-24 03:20:00 +0000 UTC→2025-12-24 03:46:00 +0000 UTC(26m)
Alaska Mega Machines
A machine with 588 teeth keeps the airport running; tugboats break through ice in the port.
2025-12-24 02:29:00 +0000 UTC→2025-12-24 03:20:00 +0000 UTC(51m)
Heavy Metal Task Force
Wheel loader digs a copper mine; an assault transport that goes across land and into water.
2025-12-24 01:40:00 +0000 UTC→2025-12-24 02:29:00 +0000 UTC(49m)
Heavy Metal Task Force
The longest road-going vehicle brings electricity to an isolated region; tunneling behemoth.
2025-12-24 00:51:00 +0000 UTC→2025-12-24 01:40:00 +0000 UTC(49m)
Heavy Metal Task Force
Super tugs prevent disasters; a heavy-lift crane that has to build itself.
2025-12-24 00:02:00 +0000 UTC→2025-12-24 00:51:00 +0000 UTC(49m)
Heavy Metal Task Force
Dredger must cut through volcanic rock; a rig wreaks havoc; a chopper faces a test.
2025-12-23 23:13:00 +0000 UTC→2025-12-24 00:02:00 +0000 UTC(49m)
Alaska Mega Machines
Alaska's Coast Guard fights waters to maintain buoys; rewards below Alaska's surface.
2025-12-23 22:24:00 +0000 UTC→2025-12-23 23:13:00 +0000 UTC(49m)
Alaska Mega Machines
A ship built to endure tsunami size waves travels on a highway unlike any other in North America.
2025-12-23 21:35:00 +0000 UTC→2025-12-23 22:24:00 +0000 UTC(49m)
Alaska Mega Machines
Alaskan engineers build a massive dam to power an entire town; the world's largest helicopters.
2025-12-23 20:46:00 +0000 UTC→2025-12-23 21:35:00 +0000 UTC(49m)
Alaska Mega Machines
A barge carries an entire train; a flying ambulance saves lives at 14,000 feet.
2025-12-23 19:57:00 +0000 UTC→2025-12-23 20:46:00 +0000 UTC(49m)
Alaska Mega Machines
An airport made from water and ice; a fish factory churns out millions of pounds of seafood a day.
2025-12-23 19:08:00 +0000 UTC→2025-12-23 19:57:00 +0000 UTC(49m)
Outrageous Acts of Science
A plane that flies using circular wings; painful ant bites; a glow stick explosion.
2025-12-23 18:19:00 +0000 UTC→2025-12-23 19:08:00 +0000 UTC(49m)
Outrageous Acts of Science
A woman who walks on water and a man that pumps up inner tubes with his ears.
2025-12-23 17:29:00 +0000 UTC→2025-12-23 18:19:00 +0000 UTC(50m)
Outrageous Acts of Science
A record-breaking butt skipper; a woman restraining four motorcycles.
2025-12-23 16:40:00 +0000 UTC→2025-12-23 17:29:00 +0000 UTC(49m)
Outrageous Acts of Science
A glass-breaking gorilla and a speed-racing sea lion face off against a snowman in the desert.
2025-12-23 15:49:00 +0000 UTC→2025-12-23 16:40:00 +0000 UTC(51m)
Outrageous Acts of Science
The world's most incredible skin, the world's first tattooing toes, and a speed flier.
2025-12-23 14:58:00 +0000 UTC→2025-12-23 15:49:00 +0000 UTC(51m)