Follow Slashdot stories on Twitter


Forgot your password?

Comment: Re:Biggest issue is still liability (Score 1) 177

for me the biggest problem with self-driving cars is legal liability.

This is already covered. Brakes fail, tires blow out, mechanical failures happen. They kill people. Its been something that has happened plenty and gone trough the courts many times. Precedent has been set.

Comment: Re:Politicians will be stupid but scientists/techn (Score 2) 356

by TheTurtlesMoves (#49248047) Attached to: New Solar Capacity Beats Coal and Wind, Again
Actually its not. The TFA makes the same comparison so many do with solar. That is per watt installed. Which is total bullshit. That watt of installed power will only produce 1 watt, for about 30min on just one perfectly fine day in the summer, if its in space. I like to call them brochure watts. Since real installations are probably never ever going to get that claimed watt in any real life conditions.

The average power you get out of 1GW of solar panels is at best 32% of the peak (in practice it is quite a bit lower, like 25%), and only in summer. It is much lower in the winter months, and you will often need to "time shift" all that energy.

Comment: Re:It's a model (Score 2) 230

When someone says i can give you a working toyota gearbox, i would expect it to be well a working toyota gearbox i can fit into my toyota. If they said *model* or *scale replica* then perhaps i would expect the the toy they did make with the *help* of 3d printing. You do know that car enthusiast have and do make real gear boxes without jumping on the 3d printing bandwaggon.

These 3d printer nut jobs are going around saying things like "you will be able to just print that soon" and post articles like this. It gets tiresome. 3d printing is 20 years old and it can't even print the metal case to a iPhone (its forged to get the correct micro structure). It is useful for some parts and prototyping, but stop with "printed a real working gearbox" bullshit already.

Comment: Re: A giant lagoon dam (Score 1) 197

by TheTurtlesMoves (#49213213) Attached to: World's First Lagoon Power Plants Unveiled In UK
I approximated the bay as a triangle so its half the volume. 2.5m of height is 1000kg*g*h for a potental energy of 24500J per m3. That is far less than .272kWh. 1kWh is 3.6MJ. So you over estimated the potential energy of a m3 of water by a very large factor. Also where did 100 million come from?

Don't panic.