I visited the US National Helium Reserve
5:19
This billion-euro nuclear reactor was never switched on
7:42
Why the US Army electrifies this water
8:00
Why has Trump moved so quickly against Zelenskyy?
25:39
Gold Mining in Sweden: Exploring Rich Veins and Reprocessing Tailings
8:59
The World's Helium Problem: When Will We Run Out?
14:57
Why the U.S. Can’t Use the Oil It Produces
6:30
Can an Umbrella Made of Water Stop the Rain?
26:22