Breaking News
U.S. Strengths and Weaknesses in Production
Washington Lost the Equivalent of Two Apples. Did Anyone Notice?
The Light at The End of the Tunnel - It's Not All Doom & Gloom
Iran has published a naive letter to the American People
Top Tech News
A laser just photographed objects through six feet of concrete
Elon Musk's Next-Gen Motor Destroy Entire EV Industry
China's disputed satellite refueling heralds new space war era
BYD Will Put Solid-State Batteries In An EV Next Year: Executive
FDA-cleared exoskeleton puts spinal-cord patients back on their feet
Your Robotic Vacuum Is Watching You -- Could It Someday Testify Against You in Court?
Why Unigrid's Sodium-Ion Batteries Are the Game-Changer for Off-Grid Energy Storage
This Battery On Wheels Makes Any Diesel Truck Electric In 5 Minutes
Mass-Production of AI Infrastructure – Speed Up by 10X
3D-printed Martian mud homes look critical for life beyond Earth
DIY Rainwater Filter System
This is a biological and mechanical filter, in the first month the water will be cleaned mechanically, later, when the microorganisms multiply, it will work biologically as well.
0:00 plan 0:29 biofilter gravel 1:07 biofilter base 1:35 barrel drilling 2:25 fitting the connections 5:02 connect inside the barrel 6:20 water flow 7:14 biofilter material 7:44 biofilter material installation 1 10:45 how to clean sand 11:58 biofilter material installation 2 13:46 water into the biofilter 14:39 bio filter leaking 15:00 lowering the pressure in the system 15:11 sealing the cover 15:43 seal test again 16:12 how to clean water 17:13 external filter 18:51 explanation of the biofilter