Yet publishers faced technical hurdles, like slow internet connections, that made video ads untenable.
Investigators trying to develop assays for the accurate multiplex quantification of gene expression in small samples face many technical hurdles [ 5].
Aside from a cultural disconnect from conventional racing, electric racers face some technical hurdles.
Analysts briefed on the plans said the partnership would face daunting technical hurdles, including reconciling the different security levels and frequency levels in different wireless networks.
But the new ships, which face enormous technical hurdles and financial squeezes, are not likely to be ready until at least 2015, and that five-year gap in American access to space could grow even bigger if the space program is sent back to the drawing board, he said.
However, the applications of CRISPR/Cas9 system still face some technical hurdles, one of which is to harness the gene editing in a precisely controlled manner.
The lab-meat movement still faces big technical hurdles.
However, oral delivery of protein and peptide drugs faces significant technical hurdles due to the rapid degradation of these drugs by gastric enzymes, the acidic environment, and poor permeation across the intestinal epithelium2.
That group came to the conclusion that, despite more than $1bn worth of investment from the private sector and governments since the 1990s, the Australian geothermal energy sector faced significant technical hurdles, and the prospect of commercial viability before 2030 was slim.
