_rpd

74 ms·

1. 661.▲
   by _rpd 12y ago

   > it never makes sense to colonize, or even send long-term human presence to, any planet besides Earth I don't know, establishing a second, independent biosphere is sound from a risk management standpoint.
2. 662.▲
   by _rpd 12y ago

   > At 50 kilometers up, Venus is remarkably Earth-like ... The atmospheric pressure is a comfortable one bar, the gravity about 90 percent that of Earth's, and temperatures fall within a hospitable range of 0-50 degrees Celsius. Noth
3. 663.▲
   New aluminum air battery could blow past lithium-ion, be refilled with water(extremetech.com)

   1 points by _rpd 12y ago|0 comments
4. 664.▲
   by _rpd 12y ago

   For (1), the Mirai will use two 70 MPa (10,000 psi) carbon fiber tanks lined with a polyamide resin to give a range of approx. 300 miles ... http://blog.toyota.co.uk/how-does-toyotas-fuel-cell-vehicle-... http://