Catch up on stories from the past week (and beyond) at the Slashdot story archive


Forgot your password?
For the out-of-band Slashdot experience (mostly headlines), follow us on Twitter, or Facebook. ×

Comment: Re:Bitcoin is a Fad for Libertarians who are Ignor (Score 1) 858 858

by nicke999 (#36145278) Attached to: BitCoin, the Most Dangerous Project Ever?
I don't think you should view BitCoins as a replacement for "real" currencies just yet as the article implies. You should see it as investing in gold (but safer since we know exactly how many bitcoins there are). Being able to send money anonymously is it's core value.

Comment: Re:I think it is just more attenion whoring (Score 1) 858 858

by nicke999 (#36145076) Attached to: BitCoin, the Most Dangerous Project Ever?
Deflation means that the price level of goods and services is going down. There is nothing built into BitCoin that forces you to lower the price of a service you are offering. The argument of "my money is worth more" is flawed. Let's say that the value of a single bitcoin increases from $10 to $20 over a year. That doesn't mean the BitCoin economy deflated - it just means anyone who bought a BitCoin a year ago made a good investment. The cost of a service can still go up.

Comment: Re:Stock is not a big problem. (Score 5, Informative) 479 479

by nicke999 (#32900398) Attached to: iPhone 4 Reception Recall Ruckus Roundup

"the majority of those who trade stocks are still very emotional"

Not true. The major owners in Apple, as any major company on the stock market, are mutual funds and institutional holders with 72% of the stocks. Maybe the majority of the small time investors are emotional, I don't know, but that is a completely different thing since they can only affect the stock price so much.


+ - Should Apple buy a mobile operator?->

Submitted by nicke999
nicke999 writes: Should Apple buy a mobile operator?
Apple controls all part of the iPhone except the mobile data connectivity. Connectivity is expensive and everytime Apple wants to include mobile connectivity they must start negotiating with the mobile operators. In the end, how well AT&T are doing at managing their network affects what price tag Apple can put on the iPhone or iPad. With $40 bn in cash, would it make sense for Apple to buy a mobile operator?

Link to Original Source

Comment: Re:Nagging question about bandwidth (Score 2, Informative) 239 239

by nicke999 (#13540188) Attached to: What is the Current Status of WiMAX?
Dataspeed relates to bandwidth by Shannon's theorem which states that the maximum capacity (C) that can ever be sent over a digital channel is set by: C = bandwidth * log2(1+S/N), where S/N is the signal to noise ratio. That is, double the bandwidth, double the maximum theoretical speed. So, to steal an example from Wikipedia: if the signal to noise ratio is 20 dB and we have 500 Mhz of bandwidth we can transmit at 3 Gbit/s (theoretically at least).

Also important to understand is that the lower the transmitting frequency, the further the signal will go (given the same transmitter strength). Going from 1 Ghz to 500 Mhz and you double the transmission range without increasing the transmitter strength.

To make this equation even more difficult, the lower the transmitting frequency, the higher noise level. So in conclusion this means that more bandwidth gives us higher transmission speeds and higher frequnecy gets more expensive since we need more transmitting towers but has low noise levels and therefore acheives higher speeds.

Hope this explains things!

Chemist who falls in acid will be tripping for weeks.