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I read a book a few years back called Hurtling Toward Oblivion. In it the author looks at the exponential increase in knowledge and technology. He shows how the capacity for doing good is an exponential curve. But he also points out that the capacity for evil is on the same curve although a few...

One thing that was kind of sad in the DoE press release was the military implications. From Bloomberg, I had a chance to visit the USAF museum in Dayton, OH this past spring. They had a replica of the Wright's plane, which flew for the first time in 1903. Just a few displays away was a biplane...

I appreciate your response. You're much more knowledgeable on the subject than I. There are probably a myriad of reasons for this. But I am disappointed that this hasn't been pursued more aggressively. Fission power plants have shown practical promise whereas fusion power plants are still a...

Some have likened last week's event to the Wright Brothers first flight. I think of it more in terms lab experiments demonstrating that moving air over a wing creates lift (borrowing from a piece in the Atlantic). That is a long was from a flying machine. It is quite unfortunate that...

I'm waiting for Mr. Fusion.

Blocks on the pedals?

I bought a Discover 1 for myself initially. However, there is no adjustability to the handlebar other than tilt. The cable length is too short to use an adjustable stem. On the other hand, it fits my wife fine, especially once I fitted it with a shorter stem that brought the handlebar closer to...

Maybe you can try a hybrid plan like my son does. He takes his bike to work in his car in the morning, then rides it home at night. The next day he'll ride to work in the morning and drive home at night, leaving his bike in his office. Drive to work the next morning, and so forth. The only risk...

Please provide references to said research. Tx

The total carbon footprint for the average EV is greater than for hybrids due to the initial carbon cost. In fact, you would need to drive each about 300k miles for the EV to have an advantage. If people are serious about the environment and doing something now they would be driving hybrids.

I'm not familiar with that problem, but the support at R1U is great. Reach out to them.

Hope your cat returns. Are there coyotes in your area? A friend lives in the DFW area where there is rapid growth. The neighborhood committee has warned people not to walk or jog at night without a club or baseball bat to fend off coyotes. Need to keep their pets inside from early evening until...

You guys make me feel like a wimp. I'm 62, and bought an ebike to help with hills, headwinds, and fatigue. Should have waited 10 years. 😁

What about a Ride1Up Cafe Cruiser? They sell a passenger kit that includes a seat and foot pegs. It has a 750watt motor and 15Ah battery. https://ride1up.com/product/cruiser/

I kinda like this one better:

Question, suppose I dropped my battery when attempting to remove it for charging or storage and observed physical damage, for example. Should I get it checked out before attempting to charge it and by whom?

It seems that each e-bike sold needs to have some kind of battery conformance certification. I don't think the ones I bought mention anything about it. Yet, in the end (per the articles above) the risk of a fire is small.

You need to verify what class of hitch is on your vehicle. If hauling two ebikes you will need at least a Class 3 hitch. It has a tongue weight capacity of 350-500lbs. It is the class used for factory installations on most pickups, vans, and SUVs. These will have a 2" square receiver tube. If...

Trying to get back on track to the original post about the axe-swinging guy... It is unfortunate that we live in a society where we need to worry about stuff like this. I was talking to a co-worker about a woman that we both worked with at one time. She told the co-worker how she carried a...

Thanks for sharing these pics. They look nasty. If I had to choose, I'd rather hit them with a bike tire than bare feet.