Featured
Variant First Detected in Vietnam ‘Dangerous’
The COVID-19 variant first detected in Vietnam is ‘very dangerous’. This, according to Vietnam’s Health…
Browsing: history
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Featured
What If We Stopped Vaccinating the People?
What if we stopped vaccinating the people, Centers for Disease Control and Prevention asks on…
Featured
The First Rechargeable Batteries Were Lead
It seems incredible looking back, but lead-acid cells were the first rechargeable batteries ever. But…
Climate Change
The Greenhouse Effect in Nature’s Garden
The Roman emperor Tiberius liked fresh cucumbers every day. His gardeners planted them in wheeled…
Featured
Christmas Decorations Down the Ages
Christmas is a time of peace and reconciliation. Families gather and hope to be at…
Battery Technical
Battery Electric Multiple Units for Rail
Battery electric multiple units are connected electric vehicles deriving their power from rechargeable batteries driving…
Battery Basics
Do You Like Your Batteries Hot or Cold?
A visitor called us the other day and asked, “With winter coming can I take…
Featured
Hybrid Electric Vehicles: For the Indecisive
Perhaps you can’t go for a full electric vehicle yet, because there are not enough…
Featured
Snowy Mountains to Rumble with More Energy
The floor begins to shake and people run for earplugs when Snowy Hydro’s Tumut 3…
Featured
Ionocraft History Early Work by Ethan Krauss
As kids, we dreamed big dreams of silent spacecraft shooting between the stars. We imagined…